There's nothing better than a tricky brain teaser to test your intellect and satisfy your quest for mental challenge. The search ends with this colossal assortm

An intriguing collection of over a thousand specially commissioned riddles, mysteries, and verbal conundrums, this one-of-a-kind collection is guaranteed to bui

It's like having a personal trainer for your brain!This huge book of brain teaser puzzles for kids is perfect for ages 9 - 12 and up. Included are long time fam

Guaranteed to keep kids laughing for hours! Brain teasers and riddles have been proven to build kids’ mental acuity. The Everything Kids’ Riddles and Brain

The C Puzzle Book Teaches Intermediate C Programming With An Effective And Unique Method -- And It'S Fun! Working Through Formidable Puzzles And Checking Your R