Margot and Mateo Save the World (Hardcover)

Margot and Mateo Save the World Cover Image
Available from Warehouse

If you like fantasy with aliens read Margot and Mateo Save the World by Darcy Miller. In this story, blue-tentacled aliens try to take over the world. Will middle-schoolers Margo and Mateo let them? Margo discovers a weird alien stuck to Mateo’s back. I enjoyed this awesome book because it has an exciting plot.

— Toraz (age 9)


A hilarious—and slimy—alien adventure (set on Earth) that the bestselling author of Zombie Chasers, John Kloepfer, calls "fast paced, out-of-this-world fun!" Selected by the Wisconsin Library Association for Outstanding Achievement in children's literature.

When Margot Blumenthal removes a bright blue slug alien attached to Mateo Flores’s back, the school play co-stars know it’s definitely not going to be a regular day at West Cove Middle School.

They reluctantly team up and soon discover that the mayor and countless other adults, including Mateo’s dad, are infected—which means that West Cove, and possibly all of Earth, is in danger.

What will they (and their new scientist friend) do? Ditch class and protect humankind, of course—because one unexcused absence doesn’t matter when the world is at stake!

This stand-alone middle grade novel is fun, silly, and full of adventure. Young readers will speed through it…if they can stop laughing long enough to turn the page.

LITA Excellence in Children’s and Young Adult Science Fiction Notable List / Eleanor Cameron List Selection * 2020 Rhode Island Children’s Book Award Nominee

About the Author

Darcy Miller is the author of Margot and Mateo Save the World and Roll. She lives in Prairie du Sac, Wisconsin, with her two children and librarian husband. Their cat, Jeffreys, deserves his own sentence. Their kitten, Stompy, does not. You can visit Darcy online at

Praise For…

Margot and Mateo Save the World is a nonstop, action-packed race to halt an alien invasion, like Robert Rodriguez’s The Faculty, but for middle schoolers. Fast paced, out-of-this-world fun!”
— John Kloepfer, author of The Zombie Chasers series and the Galaxy’s Most Wanted trilogy

“[An] offbeat and highly enjoyable read...likely to entice even reluctant readers.”
— School Library Journal

“The end of the world has rarely been quite this much fun....[S]ure to appeal to both avid and reluctant readers. A most enjoyable apocalypse.”
Kirkus Reviews

“The genuine rapport the two middle-schoolers develop along the way gives this story a surprising amount of heart...The book’s wacky humor and explosive action will appeal to fans of quirky science fiction, and even non-SF readers will appreciate the charming young heroes.”
— Bulletin of the Center for Children’s Books

“A suspenseful, thoroughly entertaining comedy...delectable.”
Booklist (starred review)

Product Details
ISBN: 9780062461315
ISBN-10: 0062461311
Publisher: HarperCollins
Publication Date: July 3rd, 2018
Pages: 224
Language: English