The story about eleven-year old Harriet, who is a spy, plans to be a writer, and keeps a secret notebook filled with thoughts and notes on her school mates and people she observes on her after-school "spy route." However, when her classmates find and read her notebook, their anger and retaliation, and Harriet's unexpected responses, explode in a hilarious and often touching manner.

When he is called to the principal's office, George hurries to explain that other people were to blame for the many things that went wrong during the day, from his late arrival to the escape of some mice.

Third grader Judy Moody is in a first day of school bad mood until she gets an assignment to create a collage all about herself and begins creating her masterpiece, the Me collage.

Sixth grade does not turn out to be what Maxie expected. She loses her best friend and finds out her class will now be located in the high school.

"It's a new school year, and it's perfect. Until class starts that is, and everything goes wrong. Ella can't believe that her absolutely worst enemy ever, Peach, is sitting next to her! No matter how far Ella moves her new pencil case across the desk, Peach is in her space. Where's her BFF Zoe? How can this year get any worse?"--Back cover.

Cocoa the horse does not want Cowgirl Kate to go to school without him.

"Ella dreams of meeting pop star Cassi Valentine. She has all the songs and merchandise--even Bob has a Cassi Valentine bandana! But when the school enters a competition to win a visit from the star, Ella and her worst enemy ever, Peach Parker, have to work together. Can they put aside their differences? The whole school is counting on them!"--Back cover.

On Parrot's first day of school, he learns a lesson about talking too much.

Alex, Three J, Gabby, and their classmates decide on rules of behavior so that the class can work well together.

When the power goes out in the school, everyone panics in the dark, and only nerdy Mr. Harrison, who can fix and build anything, can save the day.