Damn RM: you've probably just cost me some money!
Had no idea I was missing one:- Man-Eaters of India.
Sigh....

As mentioned above, also bought the 2-volume Omnibus many years ago, to use as a loaner, after one of my originals failed to boomerang and had to be replaced.

Every serious hunter should endeavor to emulate RM's bookshelf. These are far-and-away the best hunting books ever published.