Nikki's diary describes a frightful Halloween, on which she helps with her sister's ballet class party at the same time she is Brandon's date for their middle school Halloween dance, where she has promised to spend the evening with her two best friends.

Springtime brings crazy adventures to Nikki and her friends Chloe, Zoey, and Brandon.

Middle-school drama queen Nikki Maxwell worries about asking a boy to her school's "sweetheart dance."

When snow closes Greg Heffley's middle school, he and his best friend, Rowley Jefferson, face a fight for survival as warring gangs turn the neighborhood into a wintry battlefield.

Annalina's diary entries reflect her feelings and experiences as she goes from being afraid to go to kindergarten to loving it during her first month of school.

Junior leads his pack of dog friends on a sneaky mission into a museum to steal dinosaur bones for Lola's midnight birthday feast.

Eva Wingdale and her owl classmates are on a camping trip to the other side of the forest, where one of the assignments is to make useful inventions--but Eva and Lucy become totally distracted by the legend of Nellie Wingdale, founder of Treetopolis and her buried treasure, and never finish their project.

"A back-to-school story told through journal entries about a boy who finds himself at a new school where the other students are REAL animals"--

"A middle-grade spinoff of The Princess Diaries, about the long-lost sister of Mia Thermopolis, Princess of Genovia"--

Japanese American Mika is the newest member of the Lotus Lane Girls, with her very own new diary, but she is still troubled by tensions between her different friends, and worried about her project for the school newspaper.