Jem Calder’s Reward System is a fractionated fiction for a fragmented world: one in which the means of connection are constantly available, but connection is harder than ever, and everything is linked, but little is shared. The book, Calder’s debut, consists of six “ultra-contemporary fictions” that center on two characters, Julia and Nick, old university friends and one-time lovers whose post-university years are dominated by work and technology. Calder flits between episodes in their lives, magnifying specific incidents, leaving the reader to string together a narrative from discrete stories. Just when you’re getting comfortable, the scene shifts, or the characters