For the past five years, Mitra Esfahani has known two constants: her best friend Bea Ortage and The Book--a dog-eared notebook in which she and Bea have been exchanging poems since they were thirteen. The rule of The Book are simple: No lies, no secrets, and no punctuation. This is a never-ending poem, as epic and everlasting as their friendship. Nothing is too messy of too complex for The Book - not Mitra's convoluted feelings about her absent mother,...