"Stay and die, or run and survive. Twins Virginia and Tommy Matthews have been on their own since they were orphaned at the age of five, surviving a merciless foster care system by relying on each other. Twelve years later, the world begins to collapse around them as a deadly contagion steadily wipes out entire populations and a devastating world war rages on. When Tommy is drafted for the war, the twins are faced with a choice: accept their fate...

The entire BZRK cell has been left in pieces after the last round of battle with the Armstrong Twins, conjoined brothers with a plot to rob mankind of free will. As they scramble to rebuild their ranks, they face their gravest threat. Bug Man and Nexus Humanus have succeeded in taking control of the president, though playing with sanity is a dangerous game. The potential power the Armstrongs now hold is frightening, but the consequences of rewiring...

"Twins Ashleigh and Aiden have always promised to protect each other, but after an accident on a school trip, Aiden starts behaving strangely. Are they just growing apart, or is something more sinister going on? In a future Australia ravaged by climate change, twins Ashleigh and Aiden Delatour have always promised to protect and be there for each other, no matter what. Their privileged upbringing and loving, wealthy parents leave them with little...

Publisher Annotation: In the near-future United States, a one-child policy is ruthlessly enforced. Everyone follows the Rule of One. But Ava Goodwin, daughter of the head of the Texas Family Planning Division, has a secret--one her mother died to keep and her father has helped to hide for her entire life. She has an identical twin sister, Mira. For eighteen years Ava and Mira have lived as one, trading places day after day, maintaining an interchangeable...

The Divided Isle, once a place of peace and tranquillity, has been ravaged by war. Twins Oona and Morris live with their grandmother in a stone cottage in the quiet southern county of Drumbroken, but the threat of the Invaders of the Black North - the ravaged northern part of the island - is coming ever closer. When Morris, fighting against the Invaders, is kidnapped by one of the evil Briar Witches, Oona must journey to the unknown realms of the...