HarperAlley Gumshoe: A Graphic Novel HarperAlley Gumshoe: A Graphic Novel
HarperAlley Gumshoe: A Graphic Novel HarperAlley Gumshoe: A Graphic Novel

Gumshoe: A Graphic Novel

By Brenna Thummler

$15.99

Publication Date: January 13, 2026

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Ages 8 to 12, Grades 3 to 8

  • Online consumer advertising campaign  
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  • Promotion on harpercollinschildrens.com and harpercollins.com     
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From the visionary creator of the Sheets trilogy comes a never-before-seen contemporary middle grade graphic novel about a spunky group of girls, set against the backdrop of the Arizona desert. Perfect for fans of Paper Girls and This Was Our Pact.

In the hot, gossipy town of Stony Lonesome, shy eleven-year old Willa interacts with others the only way that feels right to her—the mail. She loves the mail so much that she hopes to become a mail carrier herself one day. But her dreams of delivering birthday cards, thank-you notes, and love letters come crashing down when she’s mistaken for the notorious Two Gum Tilly, a bandit rumored to be stealing mail for as long as folks can recall.

Now an outlaw herself, Willa realizes the only way to clear her name is to bring the real crook to justice. But when a chance encounter introduces her to the Gumshoe Gang, a group of runaways looking to right the wrongs of the letter-looting thief, she finds that human connection might be her only path to freedom. Can Willa clear her name and revive her dreams of postal glory, or has she stamped her last letter . . . forever? 

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About the Author

Brenna Thummler has never robbed a mailbox or run away from home. She has far better things to do, like making soups and performing in local musical acts. She sometimes considers running away, of course, but when this thought occurs, she instead nestles away in her library and writes a story. She highly recommends this approach. It is how she was able to create the Sheets series as well as a couple of one-act plays and not get caught up with the likes of an outlaw.

Learn more about Brenna’s books at brennathummler.com or follow her on Instagram at @brennathummler.

Format: Paperback

Pages: 320

Publisher: HarperAlley

Publication Date: January 13, 2026

ISBN: 9780063335271

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