Richard Shaffer

2 books

Your Guide to the Sky by Rick Shaffer

Your Guide to the Sky

Rick Shaffer

168 pages • first pub 1993 (editions)

nonfiction science informative medium-paced
Introduction to Epidemiology: Distribution and Determinants of Disease by Peggy M. Shaffer, Richard Shaffer, Caroline A. Macera

Introduction to Epidemiology: Distribution and Determinants of Disease

Public Health Basics

Peggy M. Shaffer, Richard Shaffer, Caroline A. Macera

276 pages • missing pub info (editions)

nonfiction education health medium-paced