Media Plan Bookshelf

Advertising Media Workbook and Sourcebook
Provides information regarding various sources of advertising media information and the data they provide as well as how to read, interpret, and apply them to real-work situations.

Media Math : Basic Techniques of Media Evaluation
Provides explanations and examples of mathematical calculations commonly used in the media department of advertising agencies, and wherever advertising concepts are used, including advertisers and ad agency practitioners.

The Media Handbook
A basic introduction to the media planning-and-buying process, this text provides information regarding what media is and how it fits into the overall marketing process, and may also be used as a reference point for those in advertising or media industries whose responsibilities overlap with the media function.
Note: The second edition of The Media Handbook, though outdated in some respects, can still be useful in terms of concepts.