The Pine Barrens tree frog and the timber rattlesnake are two of the more than 80 creatures beautifully rendered in Allen Crawford’s new book, A Wild Promise: An Illustrated Celebration of The Endangered Species Act. In the introduction, award-winning writer and conservationist Terry Tempest Williams reminds readers, “Our wild promise within the Endangered Species Act to protect and keep safe threatened and critically endangered species from extinction can become vows of action.”

As the Pinelands Preservation Alliance explains, the small, vibrant green and uniquely marked Pine Barrens tree frog…