When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.

Amelia's world came crashing down when her parents separated and she was forced to relocate with her mother to a new part of town. But when Duke and Gabriella move into the suite downstairs with their menagerie of exotic animals, Amelia feels like she's been thrown a lifeline. Helping care for the animals gives Amelia a sense of purpose, and she's determined to keep Duke and Gabriella's secret. But eventually her mother discovers the animals and refuses...

When fourteen-year-old Zanna Mayfield gets an acceptance letter from St. Pommeroy's School for Gifted Children, she jumps at the chance to put her considerable intellect to good use. But nothing can prepare her for the first day, when she discovers that she is a Scientist -one able to see and bend the basic functions of the universe like velocity, gravity, and chemical reactions to her own purposes. As Zanna struggles to make friends and learn how...

A natural-born explorer, Leo loves to make maps and experiment with new ways of getting around the schoolyard. But explorers sometimes get sidetracked, which can lead to getting in trouble. When Leo's teacher, Mr. Chang, announces he'll be giving out an award for responsibility, Leo is determined to redeem himself. The upcoming class field trip to the woods seems like the perfect opportunity. He'll get to use his handy compass watch and show Mr. Chang...

Valentine's Day is near, and to raise money for a charity called Puppy Love, Ellie persuades the other Critter Club girls to join her in selling and delivering singing telegrams.

In winter Charles and his trusty toboggan set out to find the wish tree, and along the way he helps to make the wishes of his friends Squirrel, Fox, and Beaver come true.

Carla loves to be different, and welcomes the idea of wearing glasses, Buster likes to blend in, but it turns out that he is the one who needs them--so Carla comes up with a plan to help Buster and his glasses fit in.

Marion volunteers at the Santa Vista Arboretum butterfly release and helps her younger sister Gabby overcome her fear of bugs so she can also attend the event.

A hungry monster living at the end of the book wakes up and begins to eat the words of the book.

Publisher Annotation: Ten years after the phenomenally successful, Caldecott Medal-winning classic, A Sick Day for Amos McGee, we get to meet back up with the gang in a brand new, heartwarming story. Amos McGee, a friendly zookeeper, is very considerate and always on time. But after a late night planning a surprise for all his friends, Amos is tired. So tired that he falls asleep during breakfast and misses his bus to the zoo! Now he knows he won't...