Title: My Best Mathematical and Logic Puzzles, Author: Martin Gardner
Title: The Game of Logic, Author: Lewis Carroll
Title: The Game of Logic, Author: Lewis Carroll
Title: Olly's Big Book of Wordsearch Puzzles - Volume 2, Author: Oliver Chapman
Title: The Game of Logic, Author: Lewis Carroll
Title: The Game of Logic, Author: Lewis Carroll
Title: Mensa® for Kids: Fun Puzzle Challenges: Terrific Ways to Stretch Your Brain!, Author: Evelyn B. Christensen