When Gilbert writes two not-so-nice valentines to his classmates, his prank quickly turns into pandemonium. But there's always time for a change of heart on Valentine's Day.

It's the last day of school! Gilbert is excited about summer vacation. First there's a class party, and Mrs. Byrd will give out the end-of-the-year awards. But will Gilbert even get one? Patty's the best speller. Philip's the best ...

That meanie Lewis always teases Gilbert. So why would Lewis invite Gilbert to his birthday party? Gilbert goes to the party armed with a cheerful grin, a brightly wrapped package–and a plan to get even for Lewis's rotten behavior. B...

No time for homework! When Mrs. Byrd gives the class homework for the weekend, Gilbert just can't seem to find the time to do it. That's because it's almost Christmas, and Gilbert has other important things to do, like decorating Ch...

IIt's the first day of first grade! Gilbert is looking forward to learning how to read and making new friends, but . . . Will the teacher be nice? Will first grade be too hard? Will he like his classmates? Will they like him? ...

Gilbert's day camp is going on an overnight trip, and Gilbert expects nothing but fun. But when loudmouthed Lewis tells him about the Camp Hi-Dee-Ho ghost, he can't help but feel a little nervous. He doesn't want his friends to think...

BAM!—out falls Gilbert's loose tooth at recess! He's so excited for the tooth fairy to come and leave him a surprise. But when Lewis gets jealous and comes up with a sneaky plan, will the tooth fairy fall for it?

Gilbert is excited for a perfect day at the beach . . . until Lola is scared of the water and Gilbert forgets his bathing suit! Even after buying a cool new suit that says "Surfer Dude" on it, will Gilbert end up in deep wat...

When Gilbert and Lola's cousin Wally comes to visit for Easter, he learns a lesson about being greedy during the annual Easter egg hunt...Title: .Last One in Is a Rotten Egg!..Author: .De Groat, Diane..Publisher: .Harpercollins Childr...