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About The Book

Twins Emma and Martín defend a princess and her village in this fourth book in the Legendarios chapter book series that’s Magic Tree House meets Heroes in Training!

It’s been a few months since Emma and Martín moved to Chicago. When they first arrived, their family thought outgoing Emma would adjust quickly and shy Martín might have a harder time making friends. But surprisingly, Martín is fitting in just fine, while Emma wants to go back to Mexico more than anything.

She might not be able to go back to their previous home, but she can visit Mexico in the book of legends! And even better, this time the twins are joined by their abuela on the adventure. The book brings them into the story of Princess Hapunda and Lake Pátzcuaro. When an enemy tribe demands that Hapunda’s father hand her over to them, she faces a difficult choice: go with their enemies or refuse and risk her people’s safety.

Can the twins find a way to help the princess out of the tricky situation, or is this a tale without a happy ending?

About The Author

Photograph © Karla Arenas Valenti

Karla Arenas Valenti grew up in Mexico, a land of great myths and many legends. From a very young age, she loved getting lost in stories (and, in fact, she considers herself the very first Legendario). As a grown-up, she still loves getting lost in stories and is now creating adventures for readers to do the same. In addition to chapter books, Karla is the author of many picture books and middle grade novels. She currently lives in the Chicagoland area with her husband, three kids, two cats, and hundreds of books. 

About The Illustrator

Vanessa Morales is a Mexican illustrator, kid lit artist, and concept artist with a deep love for portraying nature, fantasy, and daily life with a touch of magic. She has been working in different fields of illustration for almost ten years.

Product Details

  • Publisher: Aladdin (April 1, 2025)
  • Length: 144 pages
  • ISBN13: 9781665936101
  • Ages: 7 - 10

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More books from this author: Karla Arenas Valenti

More books from this illustrator: Vanessa Morales

More books in this series: Legendarios