Seven-year-old Grace gets so involved in working with Grace W. and Grace F. on a school project that she fails to understand why she and her best friend, Mimi, are drifting apart.
Presents the life of the nineteenth-century Frenchman, accidentally blinded as a child, who originated the raised dot system of reading and writing used throughout the world by the blind.
The students of Diffendoofer School celebrate their unusual teachers and curriculum, including Miss Fribble who teaches laughing, Miss Bonkers who teaches frogs to dance, and Mr. Katz who builds robotic rats.
Life at Ella Mentry School gets a lot more interesting when the self-proclaimed nerd Mrs. Yonkers takes over the computer lab, and a new rule goes into effect banning all junk food.
A.J. and his friends launch their own investigation when they get stuck with weird substitute Ms. Todd, and begin to suspect she has kidnapped their regular teacher in order to take over the job.