The Sweepers are coming. The hunt for humankind begins.Sixteen-year-old Derry and her brother live in perpetual fear of capture. They survive underground on a post-apocalyptic earth overrun by gangs and clones, and hunted overhead by mysterious hoverships. When her brother goes missing, Derry's only hope of finding him is to strike a deal with a group of cutthroat subversives. Desperate to save her only sibling, she leads a daring raid to uncover the secrets behind the Sweepers' hoverships, but soon finds out the world she knows is a lie. Keeping her brother alive...

The Undergrounders prevail. But war has just begun.Against all odds, Derry and a handful of survivors escape the malevolent Doctor Lyong's clutches, but victory proves bittersweet. No one knows if Owen is dead or alive. The shaky plan to rescue him falls apart when the Council splits over rumors of Owen's ties to the Craniopolis. Forced to find new recruits Derry makes the treacherous journey to Shoshane City, home of the mysterious riders. Mutiny and sabotage are afoot and Derry finds herself caught up in a desperate struggle to save the city from being destroyed by The...

The mighty Craniopolis falls. But a darker shadow takes its place. A shocking revelation rocks the survivors to the core. With everything at stake, the factions unite, but motives are suspect and mistrust runs deep among former foes. Rumors surface of a murderer at large within the city and Derry's leadership as head of the new Council is further plagued when the sweeps resume and the Undergrounders are forced to restart the toxic Superconductor. Aided by the mysterious archer, Lou, Derry devises a last-ditch plan to pull off the unthinkable and strike at the heart of the...

2017 IPPY National Silver Medalist Young Adult Fiction
On par with 'The Hunger Games, ' better than 'Divergent, ' and with just a hint of the scheming found in 'Game of Thrones.'
Trattora is the adopted daughter of the Chieftain on a primitive frontier planet. Velkan is an indentured serf who has never known a day of freedom. Forced to flee a terrifying invasion by Galactic Pirates, they are thrown together on a ramshackle mining vessel that harbors more than one dark secret. Fate and chemistry combine when the pair's matching birth bracelets lead them...