Best M/M Book Covers Of 2015

PLEASE READ THE DESCRIPTION AND FOLLOW ALL THE RULES. OTHERWISE DON'T VOTE ON THIS LIST!

DESCRIPTION
Vote/add creative, expressive, artistic or appealing book covers.
Always keep in mind that you should vote for the cover and not how much you like the book/author.

RULES
■ always check the books you vote for that they comply with all the rules; if a book is on this list doesn't necessarily mean that it's correctly added as well
■ are allowed only books that were first published in 2015
■ are allowed only books that are already published, therefore no voting in advance for future releases
■ are not allowed online stories (original, fanfiction, etc.) or stories written for the M/M Romance Group's Don't Read in the Closet events; these titles are allowed only if they are available through an online retailer (Amazon, Smashwords, Kobo Books, etc.)

If you see a book that doesn’t qualify here, please add a comment below.

Related lists:
2013 lists (linked to one of them; for the rest follow the other links)
2014 lists (linked to one of them; for the rest follow the other links)
Best M/M Book by a Debut Author of 2015 in the M/M Genre
Best New M/M Series of 2015
Best M/M Contemporary Books of 2015
Best M/M Fantasy Books of 2015 (high fantasy, urban fantasy, paranormal and the other fantasy subgenres)
Best M/M Science Fiction/Dystopia/Post-Apocalyptic Books of 2015
Best M/M Historical Books of 2015
Best M/M Mystery/Crime/Suspense/Thriller Books of 2015
Best M/M BDSM Books of 2015
Best M/M Dark and Edgy Books of 2015
Most Unappealing M/M Book Covers of 2015
Best M/M Self-Published Books of 2015
Best Underrated M/M Books of 2015