Reddit reviews Carry the Ocean (The Roosevelt Book 1)

The Eagle Tree - Follows a boy whose special interest is climbing trees - at the very least you'll learn a lot about trees.

Speed of Dark - Near-future thriller about an autistic man who is being pressured by his company to change and become more normal, sci-fi.

On the Edge of Gone - Young adult, sci-fi dystopia novel - story about how an autistic person might experience/be treated in a brink of an apocalypse type world.

The Rosie Project - The story of one autistic man and his developing relationship with the titular Rosie.

The Boy from Aleppo who Painted the War - Story of a boy with Asperger's syndrome during the Syrian civil war.

Carry the Ocean - Gay romance novel - developing relationship between autistic Emmett and Jeremey who has clinical depression. The follow-up Shelter the Sea was released a few days ago.

Mockingbird - Autistic main character Caitlin deals with the world around her after losing her brother in a school shooting.

Al Capone Does my Shirts (Children's) and the rest of this series. Autistic character is the main character's sister but appears throughout regularly.

How to Look for a Lost Dog - (Children's) Story of an autistic girl and her bond with a stray dog.

Lie in Wait - Crime novel where autistic Owen is made a scape goat for a crime he did not commit.

M is for Autism and M in the Middle (Children's/Teen's) - Story of an autistic girl finding her place in the world as a teenager, written by the students of Limpsfield Grange.

The State of Grace - (Children/Teen) Similar to above, the story of a teenage girl with autism and her life as a teenager.

Dasha's Journal - A story about autism from the point-of-view of the family cat.

Will Hadcroft's Ann Droyd series - (Children's) Similar to the older children's adventure novels like The Famous Five, but with an autistic main character. There's a few in this series.

Haze - (Teen) A boy with Aspergers gets caught up in computer fraud. Author Kathy Hoopman has a load of novels with autistic characters for children and teens.

Kubrick's Game - A novel about an autistic student who investigates an elaborate puzzle left by Stanley Kubrick.

There's more than that - but I need to go and get my tablet to check my reading list so I'll update shortly.

Edit: Added the rest I could think of. There are likely more but I can't think of any right now. Though I think I am forgetting some obvious ones.