All of the above...have read them all and there is something about this thing of ours. It produces some great writers!
Jay Massey wrote three books. If you can find them, buy them. All are a great read! If you are interested in Africa, "The Double Helix" by Dr Thomas, as well as the one you bought.
The problem with reading great books like Jay Campbell's, Charlie Lambs, and Mark Bakers books like I have done recently is that it fires me up to go hunting. A bunch of hunts get booked and I get in trouble with my wife