File:The troika cover.jpg

Summary
Scaled down for fair use purposes, obtained from https://www.amazon.com/gp/product/images/1890464023/sr=1-1/qid=1178570904/ref=dp_image_0/002-2409927-7010434?ie=UTF8&n=283155&s=books&qid=1178570904&sr=1-1