When her father goes missing, thirteen-year-old Lily Hartman must team up with a clockmaker's son, Robert, and her mechanimal fox, Malkin, to solve the mystery of her father's disappearance and his world-changing invention, a perpetual motion machine called the Cogheart.
When her father goes missing, thirteen-year-old Lily Hartman must team up with a clockmaker's son, Robert, and her mechanimal fox, Malkin, to solve the mystery of her father's disappearance and his world-changing invention, a perpetual motion machine called the Cogheart.
General Note
Originally published in the United Kingdom in 2016 by Usborne Publishing.
