Catherine Barr is the author of more than twenty nonfiction books for young readers, including Let's Save the Amazon, illustrated by Jean Claude, and Fourteen Wolves, illustrated by Jenni Desmond. She campaigned with Greenpeace to protect endangered species for several years before becoming a children's book author, and many of her books address conservation themes. Catherine Barr lives in England with her partner and two daughters.

Christiane Engel is an internationally acclaimed illustrator and author-illustrator of more than fifty children's books, including Curious Kids: Age of the Dinosaurs and Curious Kids: Stars and Space, both by Jonny Marx. She lives by the sea in southeast England with her family.

"From the cocreators of Water: How We Can Protect Our Freshwater comes a compelling picture book about threatened animal species around the world, among them elephants, hedgehogs, spoon-billed sandpipers, gibbons, salmon, grizzly bears, and cougars. Discover how the infringement of humans into these creatures' habitats has cut them off from vital pathways and put them at risk, then find out how people are helping them by reconnecting wildlands and waterways. Trace the animals' tracks, understand their challenges, and explore their journeys to find food, water, and the mates they need to survive. With an engaging narrative and bold illustrations, this enlightening book offers an end note providing a brief overview of similar challenges and solutions involving six more international species"--