Thomas D. Mangelsen specializes in a range of puzzles, fine art posters, art cards and calendars. The company s selection of books includes The Natural World, The Animal in Me is Very Plain to See and When Night Comes. Its product line also includes mousepads, DVDs and image stones. Thomas D. Mangelsen operates a Web store that offers online product purchasing options. The company s customer service department provides on-call support services. It operates a stock agency that features a portfolio of images, including a variety of animal species, locations and formats. In addition, Thomas D. Mangelsen offers the Images of Nature brand of gift cards for several special occasions, such as wedding celebrations and graduation parties.