Unique Features has acquired screen rights to "
Shiver," a bestselling supernatural romance novel by Maggie Stiefvater that is the first of a three-book series.
Book covers a bittersweet paranormal romance between a teen who becomes a wolf each winter and his girlfriend, who helps him find the secret to staying human. The first installment was published by Scholastic Press in August and has been on the bestseller lists for six weeks. The sequel novel, "Linger," will be published next August. Unique acquired all three books in the series.