Schwartz, Michael & Eddie Fields: Invisible Secrets Revealed ©1976 Sorcerer's Apprentice Softcover, saddle-stitched, 5.5x8.5", 40 pages ©1978 & 1989 Michael Schwartz, David Walker Productions ©1997 Revised Edition

Image courtesy WinklersMagicWarehouse.com

Comments: Illustrations by Charles Thomson. Routines for the “Invisible Deck”. Revised edition states, "30% more tricks".

Contents (from web description of Revised edition, numbers are not page numbers):

i Introduction (Don Alan)
ii Preface (Michael Schwartz)

1 The Mechanics Of The Deck
2 A Card Trick Without Any Cards
3 Dr Jak’s Revisited
4 AT&T Strikes Again
5 A Pocketful Of Miracles
6 Invisible Flight
7 Personalized Flight
8 Spread Location
9 Two Deck Routine
10 Simplified
11 Do It Again
12 The Etheric Force
13 Don Alan’s Setup
14 The Invisible IT
15 Thrown In
16 Infallible Prediction
17 Invisible Prediction
18 Torn Thought
19 Simplistic Reverse
20 Zeke
21 Zeke (Two Decks) Snap Change
22 Double Or Triple Revelation
23 Little Know Secrets And Strategies With The Invisible Deck