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

Max and Erin continue the fight to protect South Ridge Middle School from Ralph and his henchmen, but Max's greatest challenge may be keeping his crush on Erin a secret.

Nikki's diary is up to the month of April, and springtime is sure to bring more wacky adventures with Nikki and her friends Chloe, Zoey, and Brandon!

It's Nikki's birthday, and it is up to her whether it is a blast or a bust.

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.

"When we last left our hero, Max Crumbly, he had crash-landed on top of a Mighty Meat Monster pizza after taking a late night tumble through the vents at South Ridge Middle School--and he was completely surrounded by three ruthless criminals! Will Max be shredded to bits like mozzarella cheese on the hard and crunchy pizza crust of doom? Can his friend and sidekick, computer whiz Erin, help get him out of this sticky situation alive?"--Page 4 of cover....

Fourteen-year-old Nikki Maxwell writes in her diary of her struggle to be popular at her exclusive new private school, then of finding her place after she gives up on being part of the elite group.

Nikki Maxwell has been writing in a diary since the start of the school year, and she usually takes it everywhere she goes - so she can't believe it when one morning she can't find her diary! The hunt is on, and while she looks, pursuing various theories about where it could be, Nikki can't help putting together a list of important diary-keeping lessons to remember in case of missing diary emergencies like this one.

When scholarship student Nikki Maxwell, whose father is the school exterminator, decides to enter the talent show at her expensive private school, her nemesis MacKenzie threatens to reveal Nikki's status to the rest of the school.