Mysteries of Trash and Treasure: The Stolen Key (Hardcover)

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Other Books in Series

This is book number 3 in the Mysteries of Trash and Treasure series.


New York Times bestselling author Margaret Peterson Haddix delivers the thrilling conclusion to her middle grade Mysteries of Trash and Treasure series as Colin and Nevaeh unravel their most personal mystery yet.

Colin has spent all summer solving mysteries with his friend Nevaeh. But they’ve only ever dealt with other people’s mysteries—ones that are safe for Colin to think about. He’s still stuck on the mystery surrounding his own father, who his mother refuses to talk about and he can’t remember meeting.

Then one morning Colin finds a shoebox on his porch with a note on top: “Your father wanted you to have this.” Inside the box is a key. This new clue makes Colin even more determined to find out the truth about his dad and why his parents split up when he was a baby. Colin and Nevaeh begin investigating Colin’s father in a quest that takes them from eerie storage units to lock-lined bridges to, strangely, secrets in Nevaeh’s family.

But the closer they get to connecting the clues, the more trouble awaits them. A serious accident leaves Nevaeh’s family reeling—and Nevaeh racked with guilt. And digging into Colin’s father’s past may lead him and his mom into even more danger. Can Colin and Nevaeh solve the mystery before it's too late?

About the Author

Margaret Peterson Haddix grew up on a farm in Ohio. As a kid, she knew two girls who had the exact same first, middle, and last names and shared the same birthday—only one year apart—and she always thought that was bizarre.

As an adult, Haddix worked as a newspaper reporter and copy editor in Indiana before her first book, Running Out of Time, was published. She has since written more than forty books for kids and teens, including the Greystone Secrets series, the Shadow Children series, the Missing series, the Children of Exile series, and lots of stand-alones. Haddix and her husband, Doug, now live in Columbus, Ohio, where they raised their two kids. You can learn more about her at

Product Details
ISBN: 9780063089860
ISBN-10: 0063089866
Publisher: HarperCollins
Publication Date: September 10th, 2024
Pages: 336
Language: English
Series: Mysteries of Trash and Treasure