With his on-the-mark instinct for making math fun and easy, the best-selling author of How Much Is a Million returns with another explosively energetic math boo

Rhyming text and illustrations show what would happen if dogs, cats, frogs, chickens, and other sorts of animals were dinosaurs and lived during the time of man

Devoted dinosaurs groom, walk, and feed their dogs.

Includes instructions for choosing and caring for a pet dinosaur.

There once was a little dog named Tray. He lived in England with his owner, Mary Ann Anning. Besides Mary Ann, Tray loved one other thing: He loved to dig for d