Bengel, Robert: Matrix Times 6 ©1995 Robert W. Bengel Softcover, 24 pages

Image courtesy e-Bay seller MagikTaco

Comments: Sleights taught include Card Steal, Simple Vanish, Classic Palm, Dingle-Schneider Pick Up Move, Retention-type Vanish, Nelson's Coin Steal, Scoop Move, and Fingerpalm

Contents (from book ToC):

1 More Matrix
6 Xirtam Esrever (Matrix Reverse)
10 Simplex Matrix
15 Bill Matrix I
21 Bill Matrix II