Every year billions of animals migrate from one part of our planet to another. Travel around the world to meet some of the masters of migration and discover their incredible journeys in this beautiful, fact-filled non-fiction picture book by BBC wildlife expert, Chris Packham. From whales and wildebeest to butterflies and bats, you can discover each of their stories, pore over the map to see their migration routes and uncover extra information in the find out more section.