Standalone Novels:
* Sideways Stories from Wayside School (1978): A collection of wacky stories about the students and teachers at a very unusual school.
* The Boy Who Lost His Face (1989): A fantasy novel about a boy who loses his face in a magical accident.
* There's a Boy in the Girls' Bathroom (1998): A heartwarming story about a boy who is struggling to fit in and finds help from an unlikely source.
* Marvin Redpost: Walter, the Farting Dog (2000): The first book in a humorous series about Marvin Redpost, a boy who gets into all sorts of trouble.
* The Cardturner (2002): A story about an old man who helps a young woman play cards and discovers a secret about her past.
* Small Steps (2010): A novel about a young boy who learns to overcome his challenges with the help of his teacher.
* The Boy Who Drew Monsters (2011): A story about a boy who draws monsters and then learns to accept them.
* Fuzzy Mud (2018): A humorous story about a boy who discovers a strange substance that makes him grow hair everywhere.
Series:
* Marvin Redpost Series: (5 books)
* Wayside School Series: (11 books)
* The Boy Who Lost His Face Series: (3 books)
Other Works:
* Sachar has also written numerous short stories and plays for children.
This is just a small sample of his extensive body of work. You can find a more complete list on his website or on the website of his publisher, Simon & Schuster.