Crossings: Extraordinary Structures for Extraordinary Animals (2020) Written by: Katy S. Duffield Illustrated by: Mike Orodan Publisher: Beach Lane Books Book type: Picture book Ages: 3-8 years Lexile level: AD1080L Summary Crossings is a book which asks readers to consider the structures built for people to travel from one place to another and how these structures impact the wildlife in these areas, “... overpasses, underpasses, bridges, and tunnels… But what about the animals that live in these places?” Readers learn that animal-loving researchers and engineers from all over the world work together to design and create structures specifically for animals to cross. The Trans-Canada Highway, for example, has more than forty wildlife overpasses and underpasses which are used by animals such as elk, bears, wolves, cougars, and bighorn sheep. In New Zealand, a lighted underpass was created for the blue penguins of Oamaru so they could safely travel back-and-forth between the s...