"Sideways Stories from Wayside School" is a children's book written by Louis Sachar. It features a collection of quirky and humorous stories set in an unconventional school that was accidentally built sideways, with classrooms stacked vertically. Each chapter introduces different students and teachers, showcasing their unique personalities and bizarre situations. The book is known for its whimsical characters, such as Mrs. Gorf, the strict teacher who can turn students into apples, and Todd, a boy who struggles with his homework. The stories emphasize creativity and imagination, making it a beloved classic in children's literature.