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Part of the Thor Quest Series

Thor Quest: Fires of the Forgekeep (Marvel)

Jackson Lanzing and Collin Kelly ∙ Illustrated by Billy Yong

Hardcover

Published on Oct 7, 2025 | 208 Pages

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Grades 3–7
Ages 8–12

Fans of The Last Kids on Earth will be thrilled to read the newest Thor Quest book, starring Thor, Loki, and more! It’s another adventure packed with art, maps, and jokes, and will show you a new side of your favorite Marvel Super Heroes.

Thor is the god of thunder. Loki is his trickster sibling. Fandral and Sif are their friends—and sometimes frenemies. And their adventures together have just begun.

Thor, Loki, and the others are trapped and separated deep underground, in the Forgekeep of the Dwarves. Even if they solve the maze keeping them apart, they’ll have to face a Dwarven warlord, his mechanical army, and one very, very angry All-Father (also known as Thor’s dad). Can Thor take control of his destiny? And the lightning? And that fancy magic hammer? Plus there’s the most important, trickiest prize of all: friendship.

It’s an incredible quest—in fact, a Thor Quest!—packed with comics panels, jokes, maps, and adventure!

"The illustrations invigorate the text and will likely serve as a huge draw for developing readers seeking a fast-paced reading experience similar to “The Bad Guys” or “Big Nate.”" —School Library Journal

ISBN 9781368076401 (Hardcover)
Published on Oct 7, 2025
Published by Random House/Marvel
Pages 208
Dimensions 5-1/2 x 8-1/2
Age Range 8-12 years
Grade Grades 3-7

Jackson Lanzing

JACKSON LANZING & COLLIN KELLY are screenwriters and New York Times Bestselling comic book creators, known for JOYRIDE (Boom! Studios), STAR TREK: YEAR FIVE (IDW), BATMAN & ROBIN ETERNAL (DC Comics), GOTHAM CITY GARAGE (DC Comics), DARK ONE (Vault), ZOJAQAN (Vault), and Alyssa Milano’s HACKTIVIST (Archaia). Parallel to their comics career, Lanzing.Kelly are screenwriters - since 2010 they’ve developed and written screenplays on spec or assignment for directors/producers like Peter Berg, Akiva Goldsman, Tim Kring, Adam Goodman, and Barry Josephson. They also wrote all 13 episodes of YouTube Red’s original animated series KINGS OF ATLANTIS, and produced/starred in two live-RPG series: VAST (Legendary Digital) and CHAMPIONS OF THE EARTH (Nerdsmith).

Billy Yong is an illustrator and character designer. Since starting out he has drawn storyboards, visual development and even voice acted for animation, games, and children’s books. Outside of his professional doodlings, he can be found in a cafe, drawing or painting in his sketchbook, developing his personal projects, or teaching Japanese swordsmanship in the dojo. Billy currently lives in sunny Singapore.

Collin Kelly

Billy Yong

Billy Yong is an illustrator and character designer. Since starting out he has drawn storyboards, done visual development, and even voice acted for animation, games, and children’s books. Outside of his professional doodlings, he can be found in a cafe, drawing or painting in his sketchbook, developing his personal projects, or teaching Japanese swordsmanship in the dojo. Billy currently lives in sunny Singapore.