"This Week at Hilton Pond," is a fascinating pictorial account of natural changes through the seasons. Teachers, students, parents, birders, and conservationists will find these photo essays to be a rich source of information about all sorts of nature topics. Published weekly. (For a free electronic subscription, send your e-mail address to guestbook.hiltonpond.org .)

Everything from butterflies to blacksnakes, from hummingbirds to sunsets.