Andrew Loomis was a phenomenal illustrator. Unfortunately, and tragically, his books are out of print. I’ve seen them recently go for hundreds of dollars on Ebay. I actually own Figure Drawing For All It’s Worth, bought for $13.00 at a mall bookstore in Texas back in 1980 when I was an illustration student at UTA. What luck. Speaking of luck, however, many of his books, including the one mentioned above are available free online. Check it out, here’s the link:
Well worth studying, in my humble opinion.