Title: Brain Strain: A Mental Muscle Workout That's Fun! 73 Puzzles from Odyssey, Author: Clifford A. Pickover
Title: Canticos Bilingual Puzzle Pairs: Numbers, Author: Susie Jaramillo
Title: Canticos Bilingual Puzzle Pairs: Opposites, Author: Susie Jaramillo
Title: CREATIVE MIND PUZZLES AND GAMES FOR KIDS, Author: Douglas Brooks
Title: Cross Numbers: A Collection of 32 Blackline Mathematical Puzzles, Author: John Parker
Title: Denali's Dozen: Twelve Little Mysteries You Can Solve, Author: Lisa Deckert
Title: JokeAppTv's Alien Maze Book, Author: Bob Aubuchon
Title: Maze Book, Author: Bob Aubuchon
Title: My Best Mathematical and Logic Puzzles, Author: Martin Gardner
Title: Puzzle Baron's Kids Logic Puzzles: Nearly 400 Brain Challenges for Developing Minds, Author: Puzzle Baron
Title: The Game of Logic, Author: Lewis Carroll
Title: The Greatest Dot-to-Dot Super Challenge, Book 5, Author: David Kalvitis