Books

A Challenging New Twist Using Colored Shapes Instead of Numbers Traditional magic squares are squares of numbers in which the rows, columns, and di...

No, it's not a message from outer space! Just read it backwards, starting from the bottom line, to discover what this specially coded message says....

Code-cracking skills can be put to the test in this entertaining book which teaches children how to write and decode secret messages. Includes Sema...

A handy, paperback book, packed with puzzles, games and activities that will put children’s powers of logic to the test. The puzzles include breaki...

A pocket-sized book packed full of fun, mind-bending puzzles and games. Children can put their brain power to the test by figuring out a pattern pu...

Sharpen kids’ deductive reasoning skills with these challenging logic puzzles that feature popular STEM subjects. Each puzzle categorizes informati...

Pick up a pencil and sharpen your deductive reasoning skills with these challenging logic puzzles. Each Perplexor puzzle categorizes information an...

Pick up a pencil and sharpen your deductive reasoning skills with these challenging logic puzzles. Each Perplexor puzzle categorizes information an...

Pick up a pencil and sharpen your deductive reasoning skills with these challenging logic puzzles. Each Perplexor puzzle categorizes information an...

Pick up a pencil and sharpen your deductive reasoning skills with these challenging logic puzzles. Each Perplexor puzzle categorizes information an...

Pick up a pencil and sharpen your deductive reasoning skills with these challenging logic puzzles. Each Perplexor puzzle categorizes information an...

Playful dolphins? Majestic sea turtles? What detailed ocean animal will you reveal as you connect the dots? Train your brain with these advanced co...

Sharpen kids’ deductive reasoning skills with these challenging logic puzzles that feature popular STEM subjects. Each puzzle categorizes informati...

Sharpen kids’ deductive reasoning skills with these challenging logic puzzles that feature popular STEM subjects. Each puzzle categorizes informati...

Sharpen kids’ deductive reasoning skills with these challenging logic puzzles that feature popular STEM subjects. Each puzzle categorizes informati...

Sharpen kids’ deductive reasoning skills with these challenging logic puzzles that feature popular STEM subjects. Each puzzle categorizes informati...

Puzzle solvers will love these entertaining story problems that require deductive reasoning, logical elimination and math skills. In Math Perplexor...

Puzzle solvers will love these entertaining story problems that require deductive reasoning, logical elimination and math skills. Using clues, cros...

Puzzle solvers will love these entertaining story problems that require deductive reasoning, logical elimination and math skills. In Math Perplexor...

Puzzle solvers will love these entertaining story problems that require deductive reasoning, logical elimination and math skills. Using clues, cros...

Ultimate Mind Games is a fantastic compendium that includes 400 puzzles to test your mind, set up over four sections, so that you can choose the pu...