Includes five fold-out charts stitched in at rear. Full titles included are "Handbook of Mineralogy: Designed for Use in the Field or Classroom with Little Reference to Chemical Tests" (2nd edition 1911, 310pp), "Pocket Handbook of Blowpipe Analysis Designed for the Use of Students and Prospectors with the Idea of Making Oral Instruction Unnecessary" (1st edition, corrected 1910, 80pp), "A Manual of Geometrical Crystallography: Treating Soleloy of Those Portions of the Subject Useful in the Identification of Minerals." (1918, 154pp)

Eight CBC radio lectures.

Includes glossary, bibliography, index.

Includes bibliographic references.

Includes index. 296 p. : ill.

John Harrison's invention of the marine chronometer, which solved the centuries-old problem of finding longitude at sea.

Illustrated throughout with line drawings.

A short history of mathematical calculation, from primitive and ancient methods through Pascal, Morland, and Babbage, followed by biographical information on William Seward Burroughs (grandfather of Beat Generation author William S. Burroughs) and the history of the Burroughs Corporation.

Collection of Hofstadter's Scientific American columns covering self-reference, consciousness, music, Rubik's Cube, and the nature of mind and pattern.