The history of pi, says the author, though a small part of the history of mathematics, is nevertheless a mirror of the history of man. Petr Beckmann holds up this mirror, giving the background of the times when pi made progress -- and also when it did not, because science was being stifled by militarism or religious fanaticism.
Practical Skywatching is part of a four-book series, The Nature Companions; practical guides to observing and appreciating the wonders of the natural world. This spectacular series provides readers with a thorough understanding of topics such as skywatching, birding, natural habitat gardening, and rocks and fossils. Written in clear, accessible t...more
Introduction and Notes by Keith Wren, University of Kent at Canterbury A historical romance, The Three Musketeers tells the story of the early adventures of the young Gascon gentleman, D'Artagnan and his three friends from the regiment of the King's Musketeers - Athos, Porthos and Aramis. Under the watchful eye of their patron M. de Treville, ...more
ENDURING LITERATURE ILLUMINATEDBY PRACTICAL SCHOLARSHIPA poignant tale about the life and labors of a Chinese farmer during the sweeping reign of the country¹s last emperor.EACH ENRICHED CLASSIC EDITION INCLUDES:• A concise introduction that gives readers important background information• A chronology of the author's life and work• A timelin...more
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