Many-Worlds Trilogy Series by Anna Jarzab

Everything repeats.You. Your best friend. Every person you know.Many worlds. Many lives--infinite possibilities.Welcome to the multiverse. Sixteen-year-old Sasha Lawson has only ever known one small, ordinary life. When she was young, she loved her grandfather's stories of parallel worlds inhabited by girls who looked like her but led totally different lives. Sasha never believed such worlds were real--until now, when she finds herself thrust into one against her will... moreEverything repeats.You. Your best friend. Every person you know.Many worlds. Many lives--infinite possibilities.Welcome to the multiverse. Sixteen-year-old Sasha Lawson has only ever known one small, ordinary life. When she was young, she loved her grandfather's stories of parallel worlds inhabited by girls who looked like her but led totally different lives. Sasha never believed such worlds were real--until now, when she finds herself thrust into one against her will. To prevent imminent war, Sasha must slip into the life of an alternate version of herself, a princess who has vanished on the eve of her arranged marriage. If Sasha succeeds in fooling everyone, she will be returned home; if she fails, she'll be trapped in another girl's life forever. As time runs out, Sasha finds herself torn between two worlds, two lives, and two young men vying for her love--one who knows her secret, and one who thinks she's someone she's not. The first book in the Many-Worlds Trilogy, Tandem is a riveting saga of love and betrayal set in parallel universes in which nothing--and no one--is what it seems. less

Tether, the sequel to Tandem, continues the captivating tale of rebellion and romance that spans parallel worlds.Everything repeats.Sasha expected things to go back to normal once she got back on Earth. But now that she knows parallel worlds are real, and that an alternate version of herself exists in a world called Aurora, her old life no longer seems to make sense . . . and her heart breaks daily for Thomas, the boy she left behind... moreTether, the sequel to Tandem, continues the captivating tale of rebellion and romance that spans parallel worlds.Everything repeats.Sasha expected things to go back to normal once she got back on Earth. But now that she knows parallel worlds are real, and that an alternate version of herself exists in a world called Aurora, her old life no longer seems to make sense . . . and her heart breaks daily for Thomas, the boy she left behind. Troubled by mysterious, often terrifying visions and the echoes of a self she was just beginning to discover, Sasha makes the difficult decision to journey once more through the tandem.Thomas is waiting for her on the other side, and so is strange, otherworldly Selene, Sasha’s analog from a third universe. Sasha, Selene, and their other analog, Juliana, have a joint destiny, and a new remarkable power, one that could mean salvation for Selene’s dying planet. With Thomas’s help, Sasha and Selene search for the missing Juliana. But even if they can locate her, is Sasha willing to turn her back on love to pursue a fate she’s not sure she believes in? less