Gavin Ambrose & Mr Paul Harris 
Grids for Graphic Designers [PDF ebook] 

Fully updated, the third edition of Grids for Graphic Designers explores this important tool which is part of every designer”s practice- whether it involves digital or print-based media. With over 200 illustrations plus six new interviews with design practitioners such as Second Story, Brody Associates and Peter Dawson, the student is introduced to the creative use of grids in contemporary practice as well as the basic principles that underlie their effective use.
Written and designed by best-selling authors Gavin Ambrose and Paul Harris, this clear and concise introduction to the use of grids in design covers all the basics and the expanded section of activities and exercises allows students to implement what they have learned.