Philip J. Carter

How to Solve IQ Puzzles: Boost Your Brain Power

By Philip J. Carter, Ken Russell

The Second Book of 100 New Crosswords

By Ken Russell, Philip J. Carter

The Mensa Puzzle Book: v. 2

By Philip J. Carter, Ken Russell

IQ Powerplay

By Ken Russell, Philip J. Carter

Power Puzzles

By Ken Russell, Philip J. Carter

A First Mensa Puzzle Book

By Philip J. Carter, Ken Russell

Beat the Timer IQ Puzzles

By Philip J. Carter, Nikole G. Bamford, Alan Shiner

Take the I. Q. Test: Bk. 1

By Philip J. Carter, Ken Russell