technology and invention

Explores how machines used in everyday life work, and describes the scientific principles, secrets, and stories behind them.

Presents through text, photographs, and illustrations African-Americans who have produced inventions that made major contributions to a range of fields, often in the face of enormous obstacles and often with scant recognition.

A biography of the inventor of the telephone.

Presents anecdotes about the people and ideas behind history's great inventions, including stories about the origins of Silly Putty, Velcro, and the microwave oven.

Traces the life of the immigrant Jewish peddler who went on to found Levi Strauss & Co., the world's first and largest manufacturer of denim jeans.

Traces the life of the immigrant Jewish peddler who went on to found Levi Strauss & Co., the world's first and largest manufacturer of denim jeans.

Describes some of the major medical discoveries, such as the cure for tuberculosis and the cause of malaria, made by researchers who were eventually awarded the Nobel Prize for Medicine.

Explanations of how modern mechanisms work illustrate basic scientific concepts.

An account of the naval duel fought in the Chesapeake Bay between the opposing ironclads of the North and the South.