Cordelia, Brendan, and Eleanor Walker, aged fifteen to eight, must rely on a mysterious book to face the Wind Witch and her father, the Storm King, who have kidnapped Dr. and Mrs. Walker and brought them to a strange world of magic.
"When twelve-year-old Garnet finally gets to meet her magical extended family she discovers they're all trapped in the ruins of their crumbling manor and Garnet must break a curse that has decimated three generations of Carrefours"--
Children's book author I.B. Grumply gets more than he bargained for when he rents a quiet place to write for the summer, in this story told mostly through letters.