Mr. Jenkins' beard and bare feet have campers at Camp Lone Wolf wondering if he might be a werewolf who comes out at midnight for a snack.

Rumors about sightings of an alien space ship create excitement when Arthur's friends come to spend the night.

Arthur has to write a story as a homework assignment and keeps changing his idea of what to write as he talks to his friends.

While visiting Aunt Molly at a fancy downtown hotel, Cam uses her photographic memory to help one of the guests find her stolen luggage and pet cat, and to catch the thief.

Sarah is afraid to start at a new school, but both she and the reader are in for a surprise when she gets to her class.

On her first day of fifth grade, Cam Jansen uses her photographic memory to help the police find a car thief. Includes a memory game.

At first glance, Arnie looks like an average doughnut - round, cakey, with a hole in the middle, iced and sprinkled. He was made by one of the best bakeries in town, and admittedly his sprinkles are candy-colored. Still, a doughnut is just a doughnut, right? WRONG! Not if Arnie has anything to say about it. And, for a doughnut, he sure seems to have an awful lot to say. Can Arnie change the fate of all doughnuts - or at least have a hand in his own...

Mean Mrs. Green says that everyone has to invent something for the school science fair. But everyone would rather invent a way to get out of it! Hubie can't decide on what he's going to do. He thinks all the good inventions have been done already. And all of his friends have figured out what they are going to do. He tries to decide between cloning himself or building a laugh machine. After a bad dream about cloning, he decides to build a laugh machine....

In ancient Greece, young Pythagoras discovers a special number pattern (the Pythagorean theorem) and uses it to solve problems involving right triangles.

Every class has to come up with an idea for a booth at the school carnival. Too bad your class has chosen your idea: a dunking booth and they want you to be the one who gets dunked!