Frank, Gary & R.D. Merrill: Classic Color Changing Knives and Paddle Routines ©1993 Gary R. Frank Softcover, saddle-stitched, 5.5x8.5", 21 pages Also published as Routines for Knives & Paddles Softcover, comb-bound, 8.5x11", 8 pages

Image from Magicref

Image courtesy eBay seller CosanostraMagic

Comments: Originally written in 1975 as "Color Changing Knife Instructions". There are no illustrations.

Contents: (from book)

6 Basic Paddle or Knife Moves
7 The Push-Through Color Change
9 The Turn-Around Color Change
11 The Switch: swapping the knives
13 Silks and the Knife: routine where the knives change colors according to the colors of two silks
15 The Visible Color-Change Knife Routine: for the visible change knife
17 Advanced Move for the Visible Color Changing Knife
19 Advanced Routines for Two Identical Knives: for two color changing knives