Ed Bentley's wife has left him and he's been dropped by his publisher. Still, it's not the end of the world. All he has to do is ghost-write a science-fiction novel for Tuppy Cotton, a YouTuber young enough to be his daughter. When Ed uncovers an unearthly mystery at Tuppy's Yorkshire retreat, everything changes. The world might not be ending, but it will be turned upside down. Ace Doubles is Eric Brown's dazzling and moving tribute to his heroes: the writers who captured his imagination in his youth, inspiring him to become an award-winning author; and the ordinary people who do extraordinary things.