Each Puzzle Book helps kids build higher order thinking skills and helps with deductive reasoning with these fun puzzles. Each Puzzle Book has a wide range of r

The Power of Positive Drinking Coloring Book from Galison is an irreverently upbeatcollection of illustrations with a twist. Inside you will find coloring pages

These logic puzzles provide entertaining variations on Gödel's incompleteness theorems, offering ingenious challenges related to infinity, truth and provabilit

Over the last few decades, a rich and increasingly diverse practice has emerged in the art world that invites the public to touch, enter, and experience the wor

Trees are all around, but how much do you know about them? With this famous field guide by award-winning author and naturalist Stan Tekiela, you can make tree i