Few fans of the best-selling Septimus Heap series will be disappointed. --ALA Booklist Readers will quickly warm up to the stars of the book, all back in top form. --School Library Journal Readers will be indubitably hooked--worrying, laughing, and gasping over the nonstop adventures of this engaging troupe. --Voice of Youth Advocates (VOYA) (starred review) Physik is a fitting title for an adventure. --Publishers Weekly