Nine-year-old twins Emma and Martâin travel into a book of legends and where they must try to stop the rain god's flood.

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.