D.W. makes a bet with Arthur that she can teach Baby Kate how to read in a single afternoon. The loser of the bet has to change their little sister's stinky diapers D.W. devises a clever trick to make sure she wins the bet. But will Arthur fall for it--or come up with a trick of his own before the next diaper change is needed?

This amazing true adventure story about the discovery of the Lascaux Cave will have young readers feeling that they've discovered something pretty special, too

In 1940, four teenage boys and a dog dropped themselves into a hole in the forest floor. Using a flaming grease gun as a torch, they ventured deep underground, eventually coming to a huge cave, the walls of which were covered with life-size paintings of animals. Whole herds of horses Deer with horns as big as tree branches Giant bison The boys were amazed by their discovery. They'd stumbled upon the world's finest...