Amy Wummer

"When Harry and his pals in Room 3B aren't invited to their teacher's wedding, they invite themselves, and wind up saving the day"--

"When his best friend Doug discovers his top-secret hideout, Harry enlists his friends' help to save it from being developed into an apartment building"--

Detectives-in-training Milo and Jazz investigate whether their town's new pet psychic is a fraud.

Two days after Marvin sees a glowing green thing like a flying birthday cake in the night sky, his third-grade class is joined by a mysterious new boy with peculiar behavior.

Even though there are rules to follow, a little girl who loves adventure has an exciting first day of kindergarten.

Harry's interest in solving mysteries has caught the attention of his classmates in 3B, so he challenges them to discover what he has hidden in a giant, old suitcase.

When Marvin Redpost's new friend Casey shares with him her magic crystal that can make wishes come true, things get out of control.

While Harry's third-grade class is studying birds, the cold winter weather keeps them cooped up inside during recess and Harry gets restless.

From decorating their classroom to practicing their graduation song to picking out their clothes, Miss Sunrise's kindergarten class prepares for graduation in this rhyming tale based on "The Night Before Christmas."

When she goes to work with her mother on a Saturday, Adventure Girl uses her own special methods to help find a missing report.