Wenk, Timothy: E Pluribus Unum - Three Practical Miracles ©1979 Timothy Wenk; Metempirical Magic, MA Softcover, saddle-stitched, 5.5x8.5", 16 pages

Image courtesy Don's Magic and Books

Comments: Illustrated by B&W diagrams. Booklet to accompany a coin magic gimmick. There was also a booklet, Three More Practical Miracles, 1981, 11 pages, produced for the EPU Gimmick.

Contents (Partial, based on web description, numbers are not page numbers):

1 EPU Gimmick: How to use
2 Routine 1: Reverse Coin Assembly
3 Routine 2: combination two-card coin assembly & coins across
4 Routine 3: Elevator Coins, coins travel card to card