Standalone Novels:
* Holes (1998): A Newbery Medal-winning novel about a boy sent to a summer camp where he has to dig holes all day.
* Sideways Stories from Wayside School (1990): A humorous and quirky novel about a school that is built sideways, leading to many strange and funny events.
* The Boy Who Lost His Face (1998): A suspenseful and thought-provoking story about a boy who has a mysterious past.
* There's a Boy in the Girls' Bathroom (2000): A heartwarming story about a boy who is bullied and finds solace in a girl's bathroom.
* The Cardturner (2002): A novel that explores the themes of memory, age, and the importance of human connection.
* Small Steps (2006): A contemporary novel about a young boy who is struggling to deal with his parents' divorce.
* The Boy on the Beach (2011): A novel about a boy who finds a strange object on the beach that changes his life.
* Fuzzy Mud (2013): A science fiction novel about a boy who discovers a mysterious substance that can solve all of the world's problems.
* The Vanishing of the World's Most Famous Dog (2018): A mystery about a famous dog who disappears.
Series:
* Wayside School Series:
* Sideways Stories from Wayside School (1990)
* Wayside School is Falling Down (1991)
* Wayside School Gets a Little Stranger (1993)
* Wayside School Gets a Pet (1995)
* The Boy Who Lost His Face (1998)
* Wayside School Beneath the Sea (2013)
* Marvin Redpost Series:
* Marvin Redpost: Walter, the Fake Turtle (1998)
* Marvin Redpost: The Foul-up in the Fall (1999)
* Marvin Redpost: The Monster in the Mail (2000)
* Marvin Redpost: The Day the School Fell Apart (2003)
* Marvin Redpost: The Talking Turtle (2017)
Other Books:
* The Adventures of the Wishing Chair (1989): A collection of short stories.
* The Boy Who Ate Everything (1995): A humorous story about a boy who can eat anything.
* Dogs Don't Tell Jokes (2002): A collection of humorous stories about dogs.
This list includes some of the most popular books by Louis Sachar, but he has written many others throughout his career.