A Calculus of Angels

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Overview:

Title: A Calculus of Angels
Author: J. Gregory Keyes
Year: Unknown
ISBN-10: 0345406087
Publisher: Del Rey / Ballantine
Price: $6.99
Pages: 429
Binding: Paperback
Type: Novel
Title Reference: A Calculus of Angels
Notes:
"First mass market edition: March 2000" 3rd printing per number line. $9.99 in Canada The copyright page has the Excerpt from "Empire of Unreason" as "Excerpt from The Age of Unreason"