There are 3 books in the Greystone Secrets series. The newest book is The Messengers which came out in 2021.

New York Times bestselling author Margaret Peterson Haddix takes readers on a thrilling adventure filled with mysteries and plot twists aplenty in this absorbing series about family and friendships. Perfect for fans of A Wrinkle in Time and The City of Ember!

What makes you you?

The Greystone kids thought…

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The Deceivers

Book cover of The Deceivers

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 Ember! 

Until their mother vanished, the Greystone kids—Chess, Emma, and Finn—knew nothing about the other world.

Everything is different there. It’s a…

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The Messengers

Book cover of The Messengers

In the dazzling conclusion to the Greystone Secrets series from New York Times bestselling author Margaret Peterson Haddix, the Greystones and their doubles, the Gustanos, must team up to save the alternate world—before both worlds are lost. All secrets are revealed in this page-turning, suspenseful story that shows the importance…