Harold is the author of more than thirty books on a variety of subjects. He is a well-known photographer whose work has been widely published in art posters, on book covers, and in giant photo murals. Harold writes the popular Photoblog 2.0 at www.photoblog2.com. His other websites include www.digitalfieldguide.com and www.digitalnight.us.Phyllis is the author of many books about Photoshop, The Gimp, CorelDraw, FrontPage, and others. She's an accomplished designer, with books, posters, and advertisements to her credit.