Trost, Nick: Nick's Quartet ©1965 H.P. Wisehart Softcover, stapled manuscript, 8.5x11", 7 pages

Image courtesy MagicGuy.net

Comments: Illustrated

Contents: (courtesy Dietrich Keller, magicbooks.be):

1 Introduction
2 Rare but Well Done: red and black cards mixed, but magician can bring them from behind his back in called for order
3 Color Blind Card: chosen card is only odd color in deck that became separated into reds and blacks
4 Oil and Water: easy method - 7 red and 7 black cards separate
5 Follow the Leader: red and black cards follow the leader four times