A Calculus of Angels (The Age of Unreason, Book 2)

Fantasy by Greg Keyes

Blurb

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.

First Published

1999

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