Philip Carter and Ken Russell are UK MENSA Puzzle Editors and have compiled over 100 books on all aspects of testing, puzzles and crosswords. Visit The Enigmatic World of Philip Carter at www.knowl.demon.co.uk

Philip Carter and Ken Russell are UK MENSA Puzzle Editors and have compiled over 100 books on all aspects of testing, puzzles and crosswords. Visit The Enigmatic World of Philip Carter at www.knowl.demon.co.uk Less