Dorlands Illustrated Medical Dictionary is a medical dictionary edited by William Alexander Newman Dorland, and first printed in 1890. The word "Dorland's" is now the brand name for a family of more than 20 medical books available in various media (including printed books, CD-ROMs, and online content). The main books are "Dorland's Illustrated Medical Dictionary" (now in its 32nd edition) and "Dorland's Pocket Medical Dictionary" (now in its 28th edition). "Dorland's Medical Dictionary" was first published in 1890 as the "American Illustrated Medical Dictionary", including 770 pages. The pocket edition, called the "American Pocket Medical Dictionary", was first published in 1898, with just over 500 pages.