Marvin and his friend Kayla follow the journey of monarch butterflies as they makes in annual migration.
| ISBN: | 9781474718240 |
| Publication date: | 28th January 2016 |
| Author: | Brian Krumm |
| Illustrator: | Cinzia Battistel |
| Publisher: | Raintree an imprint of Capstone Global Library |
| Format: | Paperback |
| Series: | Engage Literacy |