Neal Shusterman is an award-winning author whose books include the Arc of a Scythe series (Scythe, Thunderhead and The Toll), the New York Times bestselling Unwind series and Challenger Deep, which won a National Book Award. He also writes screenplays for film and television, for shows such as Goosebumps and Animorphs. He lives in Florida and has four children. Follow him on Twitter: @NealShusterman

The "Arc Of A Scythe" series ends with this story set three years after Rowan and Citra's disappearance, Scythe Goddard's ascent to power and the Thunderhead's closure to everyone but Grayson Tolliver.