Title: CoCo 3 Secrets Revealed
Author: John Gabbard
Year: 1986 (ed1), 1987 (ed2)
Pages: 38 (ed 1), 40 (ed2)
ISBN: N/A

Known Issues: Edition 2 is Missing Page 16

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Edition 1 (PDF)
Edition 2 (PDF)

From the Table of Contents:
Introduction
Chapter 1 - Let's Get Started
Chapter 2 - New Commands
Chapter 3 - Playing With Palettes
Chapter 4 - Smooth Scrolling, Peeks, Pokes, and Other Tidbits
Chapter 5 - CoCo III Memory Map
Chapter 6 - CoCo III Summary