"The Yellow Book of Brain Teasers: Word Puzzles" by James Wyburn is a delig...More

"The Blue Book of Brain Teasers: Word Puzzles" by Philip J. Carter offers a...More

The "Bumper Quiz Book for Kids" by Philip J. Carter is an engaging compilat...More

These mental workouts include demanding word games, mathematical bell-ringe...More

"The Red Book of Brain Teasers: Maths Puzzles" by James Wyburn is a collect...More

"The Purple Book of Brain Teasers: Math Puzzles" by Ken Russell is a captiv...More