"Ivy and her sisters are keeping a secret. Their mysterious great-aunt is actually Adela Madden, reclusive author of the fantasy classic, Ivory Apples. Generations of Ivory Apples fans have obsessively searched for their favorite author, poring over her letters, gathering at conventions, and sharing their theories online. But one superfan has gotten too close: Kate Burden, a sinister version of Mary Poppins, is willing to destroy the entire family to get what she wants. But Ivy has another secret: a magical muse with a mind of his own." -- Page [4] of cover.