(3) 4-6 Turning Point Inventions series. Illustrated by Toby Welles. Beginning with Stonehenge, sundials, and water clocks, the concise text explores how cultures have historically responded to the need for more precise time keeping. The well-designed volume showcases early mechanical clocks, explains how clocks came to be mass-produced, and discusses the proposed future use of "Internet time." Photos, reproductions, and a color foldout make the book browsable. Bib., ind.

Reviewer: Peter D. Sieruta

(3) 4-6 Turning Point Inventions series. Illustrated by Toby Welles. Both the scientific and cultural development of cameras and picture-taking are explored in a succinct text, liberally illustrated with black-and-white reproductions. The well-designed volume introduces notable figures in the field of photography, relates how early cameras were marketed, and describes today's trends toward digital and disposable cameras. A color foldout depicts the parts of a camera and explains how a photograph is captured. Bib., ind.

Reviewer: Peter D. Sieruta

(3) 4-6 Turning Point Inventions series. Illustrated by Toby Welles. These cleanly designed books trace the creation and development of two nineteenth-century inventions. The focused texts profile Alexander Graham Bell and Thomas Edison, explain technological processes, show how these innovations were accepted by the public, and consider future applications in areas such as fiber optics and wireless telecommunications. Photos and reproductions of such items as the inventors' plans and notes add appeal. Bib., ind.

Reviewer: Peter D. Sieruta

(3) 4-6 Turning Point Inventions series. Illustrated by Toby Welles. These cleanly designed books trace the creation and development of two nineteenth-century inventions. The focused texts profile Alexander Graham Bell and Thomas Edison, explain technological processes, show how these innovations were accepted by the public, and consider future applications in areas such as fiber optics and wireless telecommunications. Photos and reproductions of such items as the inventors' plans and notes add appeal. Bib., ind.

Reviewer: Peter D. Sieruta