Steinmeyer, Jim: Discovering Invisibility ©2001 Jim Steinmeyer Softcover, spiral bound, 8.5x11", about 75 pages

Image courtesy eBay seller Lundy77

Comments: How the Great Conjurers Evolved the Principles of their Art Through a Silvered Mirror. Later combined with Jim's The Science Behind the Ghost - a Brief History of Pepper's Ghost in a single volume titled, Two Lectures on Theatrical Illusion. I'm not positive if the contents match exactly or not.

Contents (from book ToC):

9 Chapter 1. Reflecting, Backwards: The Ghost inspired a series of optical experiments on the London stage, and led to a surprising understanding.
14 Chapter 2. We are Here, But Not Here: Thomas William Tobin's Proteus, the illusion that introduced the ingenious principle of the looking-glass.
20 Chapter 3. The Sphynx Has Arrived: Colonel Stodares astonishing illusion, the second of Tobins creations, and the 3-legged, 4-legged table.
26 Chapter 4 Macbeth’s Head,: Tobin and Pepper's little-known achievement, an important creation and a desperate bit of theatrics.
31 Chapter 5. The Gorilla's Den: John Nevil Maskelyne’s inventive creations and John Nevil Maskelyne's inventive history of his creations.
38 Chapter 6. Philosophies and Sightlines: The varied uses of the silvered mirror, the physics, the materials and the optical sweeping-up of loose ends.
44 Chapter 7. Morritt's Creations: The Yorkshire Conjurer, the secrets he knew, the secrets we suspect, and the secrets we were never given.
60 Chapter 8. All Done with Mirrors: The principles led to a number of wonders, and a number of truly terrible ideas.
65 Chapter 9. Inventing, Backwards: In which the redoubtable wizards Morritt and Devant are discovered in the process of invention.
59 A Demonstration of Mirror Principles
69 Notes and Sources