Schneider, Al: Matrix ©1974 Al Schneider Softcover, saddle-stitched, 5.5x8.5", 20 pages ©1975 Second Edition ©1976 Third Edition ©1980 Fourth Edition

Image courtesy eBay seller rrath

Comments: Illustrated with B&W photographs. Al's classic coin routine

Contents (courtesy Denis Behr's ConjuringArchive.com):

3 Backgound
3 Matrix
4 Transfer Pickup
5 Transfer Deposit
6 Schnieder Pickup Move