Book Review 1Book Title: Drugs in Old Age: New Perspectives. British Medical Bulletin. Vol. 46Book Authors: M.J. Denham & C.F. George (Eds.)Pp. 299. Edinburgh: Churchill Livingstone. 1990.Book Review 2Book Title: Bile and Bile-duct Abnormalities. Pathophysiology, Diagnosis and ManagementBook Authors: G.N.J. Tytgat & K. Huibregrse (Eds.)Stuttgart: Georg Theme Verlag. 1989.Book Review 3Book Title: Radiology of Syndromes, Metabolic Disorders, and Skeletal Dysplasias. 3rd ed Book Authors: Hooshang Taybi & Ralph S. Lachman (Eds.)Chicago: Year Book Publishers. 1990Book Review 4Book Title: Manual of Epidemiology for District Health ManagementBook Authors: J.P. Vaughan & R.J. Morrow (Eds.)Pp. viii + 198. Illustrated. Geneva: WHO. 19...