I nominate
The Friends of Eddie Coyle by George V. Higgins.
Higgins was famous for his unique use of dialogue. George Pelicanos suggested to Elmore Leonard that before he write any more crime novels, he should first read Eddie Coyle.
Kindle - $9.99
https://www.amazon.com/Friends-Eddie...dp/B003H4I54E/
Kobo - $9.99
https://www.kobo.com/us/en/ebook/the...-eddie-coyle-2
Nook - $9.99
http://www.barnesandnoble.com/w/frie...=9781429931984
I note that both Amazon and B&N have the paperback for $9.37.