<DOCUMENT>
<TYPE>EX-1
<SEQUENCE>3
<FILENAME>d51088_ex-1.txt
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
                                                                       EXHIBIT 1

                             JOINT FILING AGREEMENT

            In accordance with Rule 13d-1 under the Securities Exchange Act of
1934, as amended, the undersigned hereby agree to the joint filing on behalf of
each of them of a statement on Schedule 13D (including amendments thereto) with
respect to the securities of The Millbrook Press Inc. and that this Agreement be
filed as an Exhibit to such statement on Schedule 13D.

            IN WITNESS WHEREOF, the undersigned hereby execute this Agreement
effective as of the 1st day of March 2002.

                       21ST CENTURY COMMUNICATIONS PARTNERS, L.P.

                       By:  Sandler Investment Partners, L.P., a general partner
                            By:  Sandler Capital Management, general partner
                                 By:  MJDM Corp., a general partner

                                      By: /s/ Moira Mitchell
                                      ------------------------------------------
                                              Name: Moira Mitchell
                                              Title: President


                       21ST CENTURY COMMUNICATIONS T-E PARTNERS, L.P.

                       By:  Sandler Investment Partners, L.P., a general partner
                            By:  Sandler Capital Management, general partner
                                 By:  MJDM Corp., a general partner

                                      By: /s/ Moira Mitchell
                                      ------------------------------------------
                                              Name: Moira Mitchell
                                              Title: President


                       21ST CENTURY COMMUNICATIONS FOREIGN PARTNERS, L.P.

                       By:  Sandler Investment Partners, L.P., a general partner
                            By:  Sandler Capital Management, general partner
                                 By:  MJDM Corp., a general partner

                                      By: /s/ Moira Mitchell
                                      ------------------------------------------
                                              Name: Moira Mitchell
                                              Title: President


                                 Page 17 of 28
<PAGE>

                       SANDLER INVESTMENT PARTNERS, L.P.

                       By:  Sandler Capital Management, general partner
                            By:  MJDM Corp., a general partner

                                 By: /s/ Moira Mitchell
                                 -----------------------------------------------
                                         Name: Moira Mitchell
                                         Title: President


                       SANDLER CAPITAL MANAGEMENT

                       By:  MJDM Corp., a general partner

                            By: /s/ Moira Mitchell
                            ----------------------------------------------------
                                    Name: Moira Mitchell
                                    Title: President


                                        /s/ Michael Marocco
                                        ----------------------------------------
                                        Michael Marocco

                                        /s/ John Kornreich
                                        ----------------------------------------
                                        John Kornreich

                                        /s/ Andrew Sandler
                                        ----------------------------------------
                                        Andrew Sandler

                                        /s/ Hannah Stone
                                        ----------------------------------------
                                        Hannah Stone


                                 Page 18 of 28
<PAGE>

                                   SCHEDULE A

      The following Schedule sets forth the controlling persons, the executive
officers and the directors of each of the General Partners of Sandler Capital
Management, and contains the following information with respect to each such
person: (i) name, (ii) citizenship, and (iii) present principal occupation or
employment and the name, principal business and address of any corporation or
other organization in which such employment is conducted.

                                   MJDM CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
          PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

Michael Marocco, Sole Shareholder and Controlling Person
                                  United States

Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, President
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Kathy Rose, Vice President, Treasurer and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Michael Todres, Director
                                  United States
Accountant
Todres and Rubin LLP,
Accounting
400 Post Avenue
Suite 205
Westbury, New York  11590


                                 Page 19 of 28
<PAGE>

                                  FOUR JK CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
         PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

John Kornreich, Majority Stockholder and Controlling Person
                                  United States
Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, President
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Kathy Rose, Vice President, Treasurer and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, Director
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153


                                 Page 20 of 28
<PAGE>

                                   ALCR CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
         PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

Andrew Sandler, Sole Shareholder and Controlling Person
                                  United States
Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, President
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Ellen O'Keefe, Treasurer and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Ricky Sandler, Director
                                  United States
Investments
Eminence Partners LLC,
Investment Management
20 Park Avenue
Suite 3300
New York, New York 10166


                                 Page 21 of 28
<PAGE>

                                    ARH CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
         PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

Harvey Sandler, Majority Stockholder and Controlling Person
                                  United States
Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Jeffrey M. Levine, President
                                  United States
Chief Financial Officer
Sandler Enterprises,
Investment Services
1555 North Park Drive
Suite 101
Weston, Florida 33329

Moira Mitchell, Treasurer and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Ricky Sandler, Director
                                  United States
Investments
Eminence Partners LLC,
Investment Management
20 Park Avenue
Suite 3300
New York, New York 10166


                                 Page 22 of 28
<PAGE>

                                   SERF CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
         PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

Douglas Schimmel, Sole Shareholder and Controlling Person
                                  United States
Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, President
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Kathy Rose, Vice President and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Michael Todres, Director
                                  United States
Accountant
Todres and Rubin LLP,
Accounting
400 Post Avenue
Suite 205
Westbury, New York 11590


                                 Page 23 of 28
<PAGE>

                                  TERPSI CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
          PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

Hannah Stone, Sole Shareholder and Controlling Person
                                  United States
Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, President
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Kathy Rose, Vice President and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Michael Todres, Director
                                  United States
Accountant
Todres and Rubin LLP,
Accounting
400 Post Avenue
Suite 205
Westbury, New York 11590


                                 Page 24 of 28
<PAGE>

                                  RF SCM CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
          PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

Robert Fowler, Sole Shareholder and Controlling Person
                                  United States
Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, President
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Kathy Rose, Vice President and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Michael Todres, Director
                                  United States
Accountant
Todres and Rubin LLP,
Accounting
400 Post Avenue
Suite 205
Westbury, New York 11590


                                 Page 25 of 28
<PAGE>

                                  RAK SCM CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
          PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

Richard Keller, Sole Shareholder and Controlling Person
                                  United States
Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, President
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Kathy Rose, Vice President and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Michael Todres, Director
                                  United States
Accountant
Todres and Rubin LLP,
Accounting
400 Post Avenue
Suite 205
Westbury, New York 11590


                                 Page 26 of 28
<PAGE>

                                  DRP SCM CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
          PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

David Powers, Sole Shareholder and Controlling Person
                                  United States
Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, President
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Kathy Rose, Vice President and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Michael Todres, Director
                                  United States
Accountant
Todres and Rubin LLP,
Accounting
400 Post Avenue
Suite 205
Westbury, New York 11590


                                 Page 27 of 28
<PAGE>

                                  SAM SCM CORP.

                                  NAME/POSITION
                                   CITIZENSHIP
          PRESENT OCCUPATION OR EMPLOYMENT AND NAME, PRINCIPAL BUSINESS
                             AND ADDRESS OF EMPLOYER

Samantha McCuen, Sole Shareholder and Controlling Person
                                  United States
Managing Director
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Moira Mitchell, President
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Kathy Rose, Vice President and Secretary
                                  United States
Administrative
Sandler Capital Management,
Investment Advisor
767 Fifth Avenue
New York, New York 10153

Michael Todres, Director
                                  United States
Accountant
Todres and Rubin LLP,
Accounting
400 Post Avenue
Suite 205
Westbury, New York 11590


                                 Page 28 of 28

</TEXT>
</DOCUMENT>
