The Sims: Unleashed: Prima's Official Strategy Guide

The Sims by Mark Cohen Prima Official Strategy Guide 2001

The Sims Superstar Prima's Official Strategy Guide by Mark Cohen, 2003

The Sims Unleashed Paperback Mark Cohen

The Sims Makin' Magic (Prima's Official Strategy Guide) by Mark Cohen

Madden NFL 2003 (Prima's Official Strategy Guide) by Mark Cohen

Madden NFL 2004 : Prima's Official Strategy Guide by Mark Cohen and Prima