In the course of one year, a jack-o-lantern, discarded after Halloween, decomposes in the backyard and eventually grows new pumpkins from its seeds.

The magic tree house carries Jack and Annie to New York City in 1938 on a mission to rescue the last unicorn. In this exciting new Merlin Mission, Jack and Annie go back in time to New York City, during one of the darkest periods in the city's history--the Great Depression. Even worse, the city is in the grip of a terrible snowstorm. To stop the blizzard, Jack and Annie must save the unicorn made famous in the Cloister's medieval tapestries. But will...

One thing leads to another when you give a pig a party.

Charles and Lizzie Peterson foster dogs and find them the perfect homes. Will they be able to take care of Skipper's litter and find forever homes for Skipper and all of her pups, too?

Third-grader EllRay is becoming famous for messing up, and when his little sister accidentally kills EllRay's class goldfish, and then he forgets his teacher's read-aloud book at home, it only makes matters worse.

When Horrible Harry's pet cat, Googer, sneaks a ride and gets into the school building, third-graders Harry and Doug have to catch him before anyone else does, which means going into some forbidden places.

Jack and Annie travel back to nineteenth-century Ireland to inspire a young Augusta Gregory to share her love of Irish legends and folktales with the world.

Reduced to miniature size, Franny travels through her pet dog's nostril and into his stomach.

At an old library, the Alden children discover a boy who needs their help and a stranger who is after a valuable object they found in the library.

When A.J. and his friends sign up for Beaver Scouts, they find that their scout leader, Miss Blake, is only interested in preparing them for emergency disasters.