I've got a few stories published through Amazon. According to Goodreads ratings, the most popular one is The Mechanic – a collection of short stories about what happens between guys who work in a garage.

This is gay erotic fiction.

The Amazon listing is here:
http://www.amazon.co.uk/gp/product/B0...

The Goodreads listing is here:
https://www.goodreads.com/book/show/2...