Hyacinth and the Stone ThiefBook - 2018 | First edition.
"When Hyacinth Hayward tries to learn more about the magical rivers under London and how her family is connected to them, she stumbles upon a plot to steal the ancient stones that hold the city together"-- Provided by publisher.
Publisher: New York : Random House, 
Edition: First edition.
Characteristics: 316 pages : illustrations ; 22 cm