When a rainstorm prevents Nancy and her best friend, Robert, from getting to the planetarium the night of a class field trip, she has a brilliant idea for making things better.

"Anna has looked forward to her class field trip to the zoo, but from the time they board the bus she is pulled between her long-time best friend, Sadie, and new best friend, Isabel, who argue about everything and want Anna to take sides" --

Splat can barely sit still during the bus ride to the ice cream factory. He's imagining the mountain of ice cream he thinks he'll get to eat! But when Splat gets there, that mountain becomes more of an avalanche. It's up to Splat and his classmates to save the day!

Catalina "Cat" Duran and her sixth-grade class are on a bowling trip, but in one lane the ball keeps going mysteriously off track, so the four friends decide to investigate the problem.

Edward "Egg" Garrison and his friends in the Art Club are on a trip to the Grand Canyon when three riding burros mysteriously disappear.

While their sixth-grade class is on a field trip to Everglades National Park, James "Gum" Shoo and his friends find a suspicious park ranger and a gang of poachers.

Yasmin's class is going on a field trip to the zoo, and Yasmin is thrilled when she is chosen to help feed the monkeys; but when she trips and spills their food both she and the monkeys are upset--until she remembers that she has fruit in her lunch bag to share with her new "friends."

In San Francisco on a field trip, James Shoo and his friends get caught up in a wave of pickpocketing.

Nat's class trip is a bigger adventure than she imagined! Nat is on an overnight class trip to Philadelphia, which is her first time in a big city without her parents. And it's a big deal because Nat's mom and dad are finally giving her the independence she's been longing for. But the trip is off to a bad start--with one disaster after another--and if things keep up, Nat's on track to lose her newfound freedom for good! Can she turn things around...

While their sixth-grade class is on a trip to the River City Conservatory the four young detectives, Sam, Egg, Gum, and Cat, investigate the theft of a rare fruit from the botanical garden, and it is up to the reader to determine the course of their adventure.