The Inky Tentacle is awarded to the year's finest cover art, as selected by a panel of visual arts experts from wide range of disciplines.
The winning artist or designer receives a £500 prize and a hand-crafted Tentacle trophy.
The previous winners are Will Staehle's The Age Atomic, Dave Shelton's A Boy and a Bear in a Boat and Peter Mendelsund's cover for The Last Werewolf.
The Ghost of the Mary Celeste
Design by Steve Marking
Lettering by Kimberly Glyder
Written by Valerie Martin
Weidenfeld and Nicholson
"A ghost ship appears in the mist. To the struggling author Arthur Conan Doyle, it is an inspiration. To Violet Petra, the gifted American psychic, it is a cruel reminder. To the death-obsessed Victorian public, it is a fascinating distraction. And to one family, tied to the sea for generations, it is a tragedy." Read more
A Man Lies Dreaming
Cover by Ben Summers
Written by Lavie Tidhar
Hodder and Stoughton
"Deep in the heart of history's most infamous concentration camp, a man lies dreaming. His name is Shomer, and before the war he was a pulp fiction author. Now, to escape the brutal reality of life in Auschwitz, Shomer spends his nights imagining another world - a world where a disgraced former dictator now known only as Wolf ekes out a miserable existence as a low-rent PI in London's grimiest streets." Read more.
Through the Woods
Emily Carroll and Sonja Chaghatzbanian
Written by Emily Caroll
Faber and Faber
"Five mysterious, spine-tingling stories follow journeys into (and out of?) the eerie abyss. These chilling tales spring from the macabre imagination of acclaimed and award-winning comic creator Emily Carroll. Come take a walk in the woods and see what awaits you there..." Read more.
The Book of Strange New Things
Cover by Rafaela Romaya and Yehring Tong
Written by Michel Faber
"The Book of Strange New Things is a wildly original tale of adventure, faith and the ties that might hold two people together when they are worlds apart." Read more.
Cover by Glenn O'Neill
Written by Nick Harkaway
"The island of Mancreu is the ideal place for Lester to serve out his time. It's a former British colony in legal limbo, soon to be destroyed because of its very special version of toxic pollution - a down-at-heel, mildly larcenous backwater. Of course, that also makes Mancreu perfect for shady business, hence the Black Fleet of illicit ships lurking in the bay: listening stations, offshore hospitals, money laundering operations, drug factories and deniable torture centres." Read more.