The Book of Thorns (2024) by Hester Fox is an historical fiction tale of two sisters, separated as children, who are linked through the magic of language of flowers and a locket that they both wear. Set in 19th-century New England, Cornelia was raised by a cruel uncle who wants to marry her off and Lisbeth was raised as a servant. As Cornelia delves deeper into the mysteries surrounding her past, she travels with Napoleon's army and finds unconventional romance. Meanwhile, Lisbeth arranges flowers with supernatural power and finds love with a soldier. Written with atmospheric prose and gripping suspense, Fox weaves a spellbinding narrative of love, betrayal, and the power of the supernatural.