A mouse named Wemberly, who worries about everything, finds that she has a whole list of things to worry about when she faces the first day of nursery school.

D.W., Arthur's little sister, tells all about what it is like to be in preschool, including essential information about such topics as bathroom breaks, storing things in a cubbie, and sharing at play time.

The kids in Room 207 take advantage of their teacher's good nature until she disappears and they are faced with a vile substitute.

Ms. Todd is subbing and A.J. and his friends are sure she kidnapped Miss Daisy so she could take over her job. They're going to have to do the detective work to get the goods on her. But it won't be easy! Ms. Todd is the weirdest substitute teacher in the history of the world!

Perfect Desiree seeks the help of wealthy problem solver, Olivia Sharp in becoming princess of the school.

Doug discovers that though being Harry's best friend in Miss Mackle's second grade class isn't always easy, as Harry likes to do horrible things, it is often a lot of fun.

Maggie resists learning cursive writing in the third grade, until she discovers that knowing how to read and write cursive promises to open up an entirely new world of knowledge for her.

It looks like trouble when the principal asks Arthur to take home a large envelope marked "confidential".

Out for an early morning walk, a chicken wanders into a school that she mistakes for a fancy barn.

Third-grader Emma becomes a reluctant heroine when she defends a friend from the class bully.