The StrangersBook - 2019
Told from separate viewpoints, Chess, Emma, and Finn Greystone, ages twelve, ten, and eight, investigate why their mother went missing and uncover their ties to an alternate world.
Publisher: New York, NY :, Katherine Tegen Books, an imprint of HarperCollinsPublishers,, 
Edition: First edition
Copyright Date: ©2019
Branch Call Number: J FIC HADDI M
Alternative Title: Greystone secrets. 1, The strangers