Read

Books

Essential information on business, pricing and ethical standards.
GAG Handbook

Terrific reference on how an offset press works and all things printing.
Pocket Pal

The original "Man Men"
Confessions of an Advertising Man

Clean up your grammar and punctuation.
The Chicago Manual of Style
  
Learn to manage your money.
Get a Financial Life: Personal Finance In Your Twenties and Thirties

A best selling guide to using typography in visual communication.
Thinking with Type

A mathematical explanation of how art works.
Geometry of Design: Studies in Proportion and Composition Geometry of Design


I've had this book for twenty-five years and still use it.
Janson's History of Art

Terrific overview of photography.
The History of Photography: From 1839 to the Present

A classic from Susan Sontag.
On Photography

Periodicals

Graphic Design
Graphis
Communication Arts
How
Print
Computer Arts
CMYK
I.D.

Design Related 
Wallpaper*
Metropolis

Business Related
Ad Week
Advertising Age