New York Times bestselling author Margaret Peterson Haddix takes readers on a thrilling adventure filled with mysteries and plot twists aplenty in this absorbin

The second book in the Greystone Secrets series from the master of plot twists, Margaret Peterson Haddix—perfect for fans of A Wrinkle in Time and The City of

In the dazzling conclusion to the Greystone Secrets series from New York Times bestselling author Margaret Peterson Haddix, the Greystones and their doubles, th

New York Times bestselling author Margaret Peterson Haddix, the master of cliffhangers, delivers a pulse-pounding mystery perfect for fans of Jacqueline West an

Emmy and her friends battle the Order of Black Hollow Lane in the exciting sequel to the bestselling mystery series, perfect for fans of The Mysterious Benedict