In these times of technological innovation and fast-paced electronic communication, we often take nature for granted--or even consider it a hindrance to our human endeavors. In Whispers and Shadows: A Naturalist's Memoir, Jerry Apps explores such topics as the human need for wilderness, rediscovering a sense of wonder, and his father's advice to "listen for the whispers" and "look in the shadows" to learn nature's deepest lessons. Combining...