A Calculus of Angels

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A Calculus of Angels
J. Gregory Keyes - A Calculus of Angels.jpeg
Author Gregory Keyes
Cover artist Therese Nielsen
Country United States
Language English
Series The Age of Unreason
Genre Fantasy
Publisher Del Rey
Publication date
March 30, 1999
Media type Print (Paperback)
Pages 406 pages
ISBN ISBN 978-0-345-40607-1
OCLC 39695456
813/.54 21
LC Class PS3561.E79 C35 1999
Preceded by Newton's Cannon
Followed by Empire of Unreason

A Calculus of Angels is the second book in Gregory Keyes' The Age of Unreason series. It was initially published by Del Rey on March 30, 1999. A follow up to Newton's Cannon, the book is set in 1722 and continues the alternate history where Isaac Newton discovers that alchemy works, and a powerful science is built upon it.

Known ISBNs[edit]

External links[edit]

References[edit]

  • "A CALCULUS OF ANGELS (Book)." Publishers Weekly 246.12 (22 Mar. 1999): 74.
  • Green, Roland. "Adult books: Fiction." Booklist 95.16 (15 Apr. 1999): 1518.
  • Cassada, Jackie, and Barbara Hoffert.. "Book Reviews: Fiction." Library Journal 124.7 (15 Apr. 1999): 148.
  • Vretos, Linda A., and Trevelyn E. Jones.. "Adult/Young Adult: Fiction." School Library Journal 46.1 (Jan. 2000): 156.