The Guardian’s fiction editor picks the best of the year, from Chimamanda Ngozi Adichie’s Dream Count to Thomas Pynchon’s return, David Szalay’s Booker winner and a remarkable collection of short stories
From an enraging indictment of Spotify to Del Amitri frontman Justin Currie’s account of Parkinson’s and a compelling biography of Tupac Shakur, here are five titles that strike a chord