Takeover + Review Blitz: The Hidden Key of Brooke Sumner by Susan L. Tuttle
Welcome to the Takeover + Review Blitz for The Hidden Key of Brooke Sumner by Susan L. Tuttle, hosted by JustRead Publicity Tours!
About the Book
Title: The Hidden Key of Brooke Sumner
Series: Treasures of Halstead Manor #3
Author: Susan L. Tuttle
Publisher: Kregel Publications
Release Date: March 24, 2026
Genre: Mystery & Suspense / Romance
Will the key unlock more than a vault filled with treasure?
Brooke Sumner has been carefully avoiding Storm Whitlock ever since he betrayed her trust. When he joins Caspar’s mysterious treasure-hunting group, she steps away to focus on her antique shop and keep herself busy.
Then Caspar invites her back for one final assignment, and Brooke is torn. Returning to Halstead Manor to help the team find the second half of a key is intriguing. It also means she’d be working with Storm. But she doesn’t trust his motives, so she reluctantly rejoins to keep him in check.
As they dive into their expedition, Brooke finds her heart softening toward those she’d once held at arm’s length. And is it possible she misunderstood Storm’s betrayal of their friendship?
“In this friends-to-more romance, we get to see the beauty of being known, being loved, and finding the people who want to walk alongside us.” —Toni Shiloh, Christy Award-winning author
PURCHASE LINKS: Goodreads | Kregel Publications | Amazon | Barnes & Noble | Christianbook | BookBub | Bookshop
More Books from this Series:
About the Author
Susan L. Tuttle is a pastor’s wife, mom, and the director of women’s ministry at her church near Grand Rapids, Michigan. Her previous writing includes The Rare Jewel of Everleigh Wheaton, The Novel Adventures of Natalie Daughtry, the Along Came Love series, and the Carol Award–finalist Love You, Truly.
Connect with Susan by visiting SusanLTuttle.com to follow her on social media or subscribe to email newsletter updates.
My Review
The Hidden Key of Brooke Sumner brings the Treasures of Halstead Manor series to a thrilling conclusion, once again taking Everleigh, Natalie, Brooke, and their entourage on a mind-bending adventure (which I’ll admit I struggled to keep up with at times). Tuttle capitalizes on found family, bodyguard, and friends to enemies to more tropes in this finale, and she held my attention from the opening pages.
Contentious as it was, I loved Storm and Brooke’s relationship and all their banter. The foundation of their childhood friendship shone through in every encounter, and I loved reading about all the ways they came through for each other as children. I will admit I was annoyed that Storm couldn’t reveal everything to Brooke until near the end of the book, but it was necessary to the plot, I suppose.
Tuttle is NOT easy on her characters. The stakes were high from page one, both for Brooke and for Storm in his own issue. Watching Brooke navigate her pain was hard at times, and I wish the faith content could have been a bit more consistent throughout–the end revelation felt a bit too neat and pretty. I liked the message that we can have peace through the storms of life when we put our trust in Jesus, but I don’t think it’s always quite so easy as simply making a choice. It’s a daily battle.
I liked the look at how the foster care system can adversely impact kiddos, especially if they’re passed from home to home and never adopted. As for the romance, the romantic tension between Brooke and Storm felt a bit excessive at times, and Storm really played into it, but I guess their friendship made it feel less bothersome than it otherwise might have been.
It was exciting to finally discover more of Caspar’s story, and the ending was shocking–it definitely tied up some loose threads I’ve been wondering about through the book and series. Overall a satisfactory read, and much cleaner than book 2 (I wasn’t comfortable with fade-to-black between a married couple, which might be fine for others!)
I voluntarily reviewed a complimentary copy of this book which I received from the author. All views expressed are my honest opinion.
Tour Giveaway
(1) winner will receive a copy of The Hidden Key of Brooke Sumner and $20 Amazon gift card!
Be sure to check out each stop on the tour for more chances to win. Full tour schedule linked below. Giveaway began at midnight April 15, 2026 and lasts through 11:59 PM EST on April 22, 2026. Winner will be notified within 2 weeks of close of the giveaway and given 48 hours to respond or risk forfeiture of prize. US only. Void where prohibited by law or logistics.
Giveaway is subject to the policies found here.
Enter Giveaway
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