Goldstein, Phil: Cycle ©1979 Phil Goldstein Softcover, comb-bound, 8.5x11", 5 pages Was also available as saddle-stitched, 5.5x8.5" edition

Image courtesy eBay seller dmg89

Comments: Four routines with four cards (cards were included)

Contents (from back cover, numbers are not page numbers):

1 Cycle: four cards shown front and back, then all backs change color, with instant reset
2 Cycle Exchange: transposition with an unexpected color change climax
3 Cycle Twist: One-at-a-time twisting sequence with surprise color change
4 Cycle Elevator: each card jumps from bottom to top of packet, with color change finish