David A. Adler

On Field Day, Mo swims a lot faster than he knew he could, not because his team might win but because a fish keeps nibbling his toe.

When soccer season starts, Mo, who has been working hard to improve his kicking skills, wonders if he will ever get a chance to show his team what he can do.

This beginning guide to economics will have readers thinking about the purpose, and not just the value, of money. From bartering, early forms of currency, credit cards, and digital payment, here is a clear and thorough introduction to money.

Dozens of riddles feature witches, vampires, werewolves, ghosts, and other spooky creatures.

Biography of the black woman who escaped from slavery to become famous as a conductor on the Underground Railroad.

When she notices some bones missing from a dinosaur skeleton exhibited in the museum, a young girl with a photographic memory tries to discover who has been taking them and why.

A brief, illustrated, biography of the Baptist minister and civil rights leader whose philosophy and practice of nonviolent civil disobedience helped American blacks win many battles for equal rights.

When fifth-grader Cam notices that the prizes for the most difficult game at the school carnival are rapidly disappearing, she uses her amazing photographic memory to investigate.