The author of the Pulitzer Prize finalist The Forest Unseen visits with nature's most magnificent networkers - trees David Haskell's award-winning The Forest Unseen won acclaim for eloquent writing and deep engagement with the natural world. Now, Haskell brings his powers of observation to the biological networks that surround all species, including humans. Haskell repeatedly visits a dozen trees around the world, exploring the trees' connections with webs of fungi, bacterial communities, coop