<DOCUMENT>
<TYPE>EX-99.77B ACCT LTTR
<SEQUENCE>2
<FILENAME>exhibit77B.txt
<TEXT>
Report of Independent Registered Public
Accounting Firm To the Board of Trustees
and Shareholders of Advent Claymore Convertible
Securities and Income Fund

In planning and performing our audit of the
financial statements of Advent Claymore Convertible
Securities and Income Fund (the Fund) as of and
for the year ended October 31
2016 in accordance with the standards of
the Public Company Accounting Oversight Board
(United States) we considered the Funds internal
control over financial reporting including controls
over safeguarding securities as a basis for designing
our auditing procedures for the purpose of expressing
our opinion on the financial statements and to comply
with the requirements of Form N-SAR but not for the
purpose of expressing an opinion on the effectiveness
of the Funds internal control over financial reporting.
Accordingly we do not express an opinion on the
effectiveness of the Funds internal control over
financial reporting.

The management of the Fund is responsible for establishing
and maintaining effective internal control over financial
reporting. In fulfilling this responsibility estimates and
judgments by management are required to assess the expected
benefits and related costs of controls. A funds internal
control over financial reporting is a process designed to
provide reasonable assurance regarding the reliability of
financial reporting and the preparation of financial
statements for external purposes in accordance with generally
accepted accounting principles. A funds internal control
over financial reporting includes those policies and
procedures that (1) pertain to the maintenance of records
that in reasonable detail accurately and fairly reflect
the transactions and dispositions of the assets of the fund;
(2) provide reasonable assurance that transactions are
recorded as necessary to permit preparation of financial
statements in accordance with generally accepted accounting
principles and that receipts and expenditures of the fund
are being made only in accordance with authorizations of
management and trustees of the fund; and (3) provide reasonable
assurance regarding prevention or timely detection of
unauthorized acquisition use or disposition of a funds assets
that could have a material effect on the financial statements.

Because of its inherent limitations internal control over
financial reporting may not prevent or detect misstatements.
Also projections of any evaluation of effectiveness to future
periods are subject to the risk that controls may become
inadequate because of changes in conditions or that the
degree of compliance with the policies or procedures may
deteriorate.

A deficiency in internal control over financial reporting
exists when the design or operation of a control does not
allow management or employees in the normal course of
performing their assigned functions to prevent or detect
misstatements on a timely basis. A material weakness is
a deficiency or a combination of deficiencies in internal
control over financial reporting such that there is a
reasonable possibility that a material misstatement of
the Funds annual or interim financial statements will
not be prevented or detected on a timely basis.

Our consideration of the Funds internal control over
financial reporting was for the limited purpose described
in the first paragraph and would not necessarily disclose
all deficiencies in internal control over financial reporting
that might be material weaknesses under standards established
by the Public Company Accounting Oversight Board (United States).
However we noted no deficiencies in the Funds internal control
over financial reporting and its operation including controls
over safeguarding securities that we consider to be material
weaknesses as defined above as of October 31 2016.

This report is intended solely for the information and use
of management and the Board of
Trustees of Advent Claymore Convertible Securities and
Income Fund and the Securities and
Exchange Commission and is not intended to be and should
not be used by anyone other than these specified parties.

/s/PricewaterhouseCoopers LLP
New York New York
December 28 2016

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</DOCUMENT>
