Revision 3.0, Softback, Wirebound, 99 Pages, Richly Illustrated by Dr. Mel Clark { 8.5 in W x 11 in H x 0.5 in D | 21.6 cm W x 27.9 cm H x 1.3 cm D } This text covers CCR Trimix operations on manual and electronic CCR, but does not cover any specific unit. This text starts off where technical nitrox and decompression procedures stops. Written in a clear and concise style with plenty of examples. Focused on the specific issues and needs of the CCR Trimix diver, the text discusses: