First published 2011
Cass breaks a finger off a priceless mummy during a class trip to the natural history museum. The accident forces her and friends Max-Ernest and Yo-Yoji to work for the exhibit's curator as punishment. When tragedy strikes the museum, the three kids become suspects. They must clear their names and uncover the truth by traveling to a land filled with pyramids, tombs, hieroglyphs, and walking dead. The journey may lead to Egypt or somewhere far stranger. Throughout their adventure, the mysterious Secret they've been chasing still waits to be discovered. The trio faces their most dangerous challenge yet as they race to solve the mystery and prove their innocence. This final installment of their saga brings all the secrets to light.
Genres: adventure, mystery, fantasy, young-adult
Vibes: fast-paced, suspenseful, whimsical
Tropes: found-family, race-against-time
Setting: Egypt
Period: 21st-century
352 pages · Hardcover · Little, Brown Books for Young Readers