"It was August 27, 1885. In a hospital in Lima, Peru, a student named Daniel Carrion was preparing to infect himself with a dreaded disease . . . He had a small, sharp lancet ready . . . Carrion's friends and teacher from the medical school thought it was a bad idea. They knew Carrion was eager to learn more about this mysterious disease.
But were the risks worth it?
"Science and medicine from the inside out-ten engrossing stories of self-experimentation
Who are these "guinea pig scientists"? Searching for clues to some of science's and medicine's bigger (and sometimes stranger) questions, they are all the men and women who devoted their lives to help find the answers. Spanning from the 1770s to the present--and uncovering the science behind digestion, the spread of yellow fever, the development of the first heart catheter, and more--their ten stories are at once scientifically detailed and fascinatingly personal.

More Fun with Nature is a compilation of five other Take Along Guides. It includes: Berries, Nuts and Seeds; Birds, Nests and Eggs; Rocks, Fossils and Arrowheads; Seashells, Crabs and Sea Stars; and Wildflowers, Blooms and Blossoms.

This fascinating series turns ordinary walks into adventures. Children learn to identify a variety of different plant, animal and insect species.
-- Helps children identify different species.
-- Includes scrapbook pages, for notes or drawings.
-- Features detailed true-to-life illustrations.

Provides detailed descriptions and illustrations of more than 150 different animals and plants.

This fascinating series turns ordinary walks into adventures. Children learn to identify a variety of different plant, animal and insect species.
-- Helps children identify different species.
-- Includes scrapbook pages, for notes or drawings.
-- Features detailed true-to-life illustrations.

Describes the physical characteristics and habits of a variety of rabbits, squirrels, and chipmunks.