Triceratops, Pterodactyl, Brontosaurus, and T-Rex each have an itch, but Dino-Mo reminds them of the sign with a very important rule: Dinosaurs do not scratch. Includes introductory and concluding text and illustrations by Mo Willems.

An assortment of animals living separate lives discover they need each other when they have a chance encounter on a river. Once there was a river that flowed night and day, but it didn't know it was a river until...Bear came along. Bear is on a big adventure. But he doesn't know how big until his friends join in. what will these very different woodland animals find at the end of their journey? Maybe the most important lesson of all - that they're...

Growing up in Hungary during WWI, Erdos tried school but chafed at the rules and convinced his mother that he should study at home. He was fascinated by numbers from an early age, and by the time he was 20, he was known as The Magician from Budapest. Unable to do common tasks such as cooking, laundry, or driving, he spent his adult life flying around the world, staying with other mathematicians, and working collaboratively on challenging math problems....