"An exceptionally well-crafted story brimming with mythological creatures, captivating characters, and non-stop adventure." --Christina Diaz Gonzalez, bestselling author of Invisible Encanto meets The Chronicles of Narnia by way of Colombian folklore in this "fast-paced...thrilling" (Kirkus Reviews, starred review) middle grade fantasy adventure. To save their father's life, a brother and sister must journey across...