“c r adams”

This book helps English-learners build their listening and speaking skills with realistic listening passages that provide exposure to authentic language.Includes a variety of exercises and activities that build skills.... More

Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.... More

The Pathogenic Enteric Protozoa: Giardia, Entamoeba, Cryptosporidium and Cyclospora compromise the health of millions of people, largely from developing nations. These protozoan parasitic agents contribute significantly to the staggering caseload of diarrheal disease morbidity encountered in develop... More