Provides brainteasers to solve in a blackboard scene, hundreds of tiny objects to ponder in a classification puzzle, Rube Goldberg-type contraptions to figure out, and a nature spread that encourages learning through observation.

Rhyming verses ask readers to find hidden objects in the photographs.

"Optical illusions abound! Explore a world of toys, an enchanted ball, the farthest reaches of outer space, and more"--

A counting book in rhyme presents various desert animals and their children, from a mother horned toad and her little toadie one to a mom tarantula and her little spiders ten. Numerals are hidden in each illustration.

Presents twelve brain-teasing hidden picture puzzles to solve.

Rhyming text leads the reader to find objects hidden in the photographs.

"Even though I've never attempted the New York Times crossword puzzle or solved the Rubik's Cube, I couldn't put down The Puzzler."--Gretchen Rubin, author of The Happiness Project and Better Than Before What makes puzzles-jigsaws, mazes, riddles, sudokus-so satisfying? Be it the formation of new cerebral pathways, their close link to insight and humor, or their community-building properties, they're among the fundamental elements that make us human....