• New Merck Interactive Manual of Medical Information - Home edition. Not aimed primarily at healthcare professionals and is a little richer in multimedia than the other four texts, particularly with a good selection of hypertext links for each topic.
• Merck Manual of Diagnosis and Therapy - Popular general medical textbook celebrating its centenary with the publication of the 17th Edition. Not referenced but searchable.

• Merck Manual of Geriatrics, 3rd edition, published 2000. Comprehensive guide of medicine for the elderly.

• The Merck Veterinary Manual, Eighth Edition - Addressing veterinary medicine in all kinds of animals whether they be pets, livestock or zoo animals.

• The Merck Index, Thirteenth Edition - Provides information on a range of human and veterinary drugs, lab and industrial chemicals and biologicals.

Go to http://www.merck.com