Margaret Peterson Haddix

Cover art coming soon

Moonleapers, Book 2: Tangled in Time

Margaret Peterson Haddix

October 6, 2026

Mysteries of Trash and Treasure: The Stolen Key

Margaret Peterson Haddix

September 10, 2024

Mysteries of Trash and Treasure: The Ghostly Photos

Margaret Peterson Haddix

September 12, 2023

Falling Out of Time

Margaret Peterson Haddix

May 30, 2023

Mysteries of Trash and Treasure: The Secret Letters

Margaret Peterson Haddix

September 20, 2022

Greystone Secrets #3: The Messengers

Margaret Peterson Haddix

April 6, 2021

Remarkables

Margaret Peterson Haddix

September 24, 2019

Children of Jubilee

Margaret Peterson Haddix

November 6, 2018

Children of Refuge

Margaret Peterson Haddix

September 12, 2017

Don't You Dare Read This, Mrs. Dunphrey

Margaret Peterson Haddix

January 22, 2013

Guys Read: Thad, the Ghost, and Me

Margaret Peterson Haddix

September 20, 2011

Claim to Fame

Margaret Peterson Haddix

March 8, 2010

Sent

Margaret Peterson Haddix

December 2, 2009

Found

Margaret Peterson Haddix

Running Out of Time

Margaret Peterson Haddix

Just Ella

Margaret Peterson Haddix

Among the Betrayed

Margaret Peterson Haddix

Among the Enemy

Margaret Peterson Haddix

The School for Whatnots

Margaret Peterson Haddix

Revealed

Margaret Peterson Haddix

Sabotaged

Margaret Peterson Haddix

Among the Barons

Margaret Peterson Haddix

Caught

Margaret Peterson Haddix

Greystone Secrets #2: The Deceivers

Margaret Peterson Haddix

Among the Free

Margaret Peterson Haddix

Among the Brave

Margaret Peterson Haddix

Palace of Mirrors

Margaret Peterson Haddix

Greystone Secrets #1: The Strangers

Margaret Peterson Haddix

Moonleapers, Book 1: Moonleapers

Margaret Peterson Haddix

Among the Hidden

Margaret Peterson Haddix

Into the Gauntlet (The 39 Clues, Book 10)

Margaret Peterson Haddix

Redeemed

Margaret Peterson Haddix

Among the Impostors

Margaret Peterson Haddix

Risked

Margaret Peterson Haddix

Children of Exile

Margaret Peterson Haddix