This is still (after 74 years) a hugely popular book among student pilots to understand the basics of fling. Technically, very little has changed over all those

This is still (after 74 years) a hugely popular book among student pilots to understand the basics of fling. Technically, very little has changed over all those years. Popular training and GA aircraft like the Cessna 152/172 are built and powered in the exact same way as back then.