"When mysterious incidents start wreaking havoc throughout Camp Jupiter, suspicion falls on the Fourth Cohort's newest probatio. But is she really to blame? Find out the truth by delving into the pages of her personal journal"--

Having a Bloomtastic Festival at school to celebrate spring is a great idea--but Eva Wingdale, a young owl, discovers that it is also a lot of work, and there is nothing wrong with asking her friends for help.

A famous author is coming to visit and Eva and her classmates are assigned to write a story--but Eva Wingdale is totally distracted because her pet bat, Baxter, has gone missing, and she suspects that the sneaky squirrels have something to do with her missing pet.

As Nikki plans how she's going to spend her summer, things get more complicated after she starts hanging out with a visiting student.

"Greg struggles to stay on Santa's 'nice' list while snowed in with the rest of the Heffley family in the days leading up to Christmas"--

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.

"It's a frenemy showdown and Nikki Maxwell has the worst luck. Of all the schools she could have been assigned to for the student exchange week program, she's stuck at North Hampton Hills, her arch nemesis MacKenzie Hollister's new school. Even worse, there might just be someone at NHH who can out-MacKenzie MacKenzie! At least Nikki can write about every moment of drama in her diary, so readers won't miss a moment of it. Can the queen of dorks survive...

Macy's little sister has wings that are too small, so Eva's class decides to raise money to buy her a flying chair, and half the class opens a bakery, and the other half opens a candy store--but soon competition between the two stores becomes more important than their goal, and Eva needs to convince the other owls that they will collect more money if everyone works as a team.

Eva Wingdale and her class are excited about their trip to Poppy's Pumpkin Farm, where every year, there is one very large, extra special, thank-you pumpkin; but on the second day of the visit the owls find that the Thank-you Pumpkin has gone missing, and the farm animals are in an uproar--so Eva and the other owls turn detective to solve the mystery of the missing pumpkin.

Eva wants to be friends with Hailey, the new owl in her class, but when Hailey seems to prefer Lucy's company, Eva starts to feel left out, and even a little jealous of her best friend.