Sum, J.C.: Equilateral ©2006 Concept Magic, Singapore Softcover, spiral-bound, 8.5x11", 93 pages

Image courtesy eBay seller RennyBooks

Comments: Innovative Illusion Solutions for Modern Illusionists

Contents (from web description, may not be complete; numbers are not page numbers):

i Foreword (Kevin Ridgeway)

1 Singular
2 Wall 2 Wall
3 Light & Space
4 Light and Space II
5 The Vanishing "Tiger"
6 Steel Displacement
7 Squeezed and Skewered
8 Full Throttle
9 Instant Auto