Incoming Resources
- The hidden life of trees, what they feel, how they communicate : discoveries from a secret world, Peter Wohlleben ; foreword by Tim Flannery
- The hidden life of trees., on the road with Peter Wohlleben, director, Jörg Adolph, DVD/Widescreen
- Can you hear the trees talking?, discovering the hidden life of the forest, Peter Wohlleben ; [English translation, Shelley Tanaka ; abridged text, Jane Billinghurst]
- Crinkleroot's guide to knowing the trees, by Jim Arnosky
- Squirrel's family tree, by Beth Ferry ; illustrated by A.N. Kang
- Vernal ponds on Cape Ann., Cape Ann Vernal Pond Team, DVD