Title: Mensa: Mighty Brainteasers, Author: Josephine Fulton
Title: Devious Deductions: Over 125 Challenging Exercises!, Author: David Popey
Title: Number Enigmas: Over 125 Challenging Exercises!, Author: Alison Moore
Title: The Book of Riddles, Author: Fabrice Mazza
Title: Brain Workout Quiz Book, Author: Brian Daugherty
Title: Great Sherlock Holmes Puzzle Book, Author: Arcturus Publishing
Title: The United States of Puzzles: Word Games, Brainteasers, Trivia, and More!, Author: Eric Harshbarger
Title: Memory Coach, Author: Gareth Moore
Title: Brain Games Cold Cases, Author: PIL Staff
Title: Beyond Montague Island: Even More Mysteries and Logic Puzzles, Author: R. Wayne Schmittberger
Title: BG Most Wanted Crime Puzzles, Author: Publications International
Title: Brain Games Unsolved Crimes, Author: PIL
Title: Brain Games Forensic Puzzles, Author: PIL
Title: Mini Brain Games Who Done It? Puzzles, Author: PIL
Title: Brain Games NCIS, Author: PIL
Title: Boost Your Brain Power: with Over 300, 30-Minute Puzzles, Author: Igloo Books
Title: Brain Games Bible Cryptograms, Author: PIL
Title: Brain Games Ulitmate Brain Challenge, Author: PIL