Signs, seals and symbols - from the simplest drawings of heavenly bodies to the intriguing signs of the zodiac - are recorded pictorially by two of the world's foremost experts in the field of graphic art. More than 400 illustrations depict the planets, the Milky Way, comets, meteors and other galactic marvels. Dover "Electronic Design" series includes: permission-free illustrations and designs for art, craft, business and educational use; hundreds of designs scanned at 600 dpi and saved in the most popular formats; and it can be used for "Mac" and "Windows". Each set contains CD-ROM and book with every image on the CD printed large for easy reference or direct use.