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Gayle Forman, the YA author whose best-seller If I Stay was adapted for film last year, will write her first book for adults with Algonquin Books, EW reports exclusively. The novel, tentatively titled Bypass, will be published in fall 2016.

“After a decade of mining the young-adult experience, I was ready to turn my attention to marriage and motherhood. It felt like the time to write a novel starring people my own age,” Forman says in a statement.

Bypass, according to the publisher, centers on a seemingly perfect magazine editor, wife, and mother named Maribeth Klein, who suffers a heart attack, and is forced to rely on others for support. Unused to such vulnerability, Maribeth flees home, searching for her estranged birth mother, and hoping to find some answers along with her.