Young Woman and the Sea by Glenn Strout is a book club read and getting surprise gems like this occasionally is why I keep going . It's the story of the first woman to swim the Channel a remarkable natural athlete called Trudy Eberle, why the Channel is still so difficult to swim, the history of swimming, women becoming accepted in some sports, the shennanigans around Trudy's attempts and more, lots of themes wound together into a fascinating piece of narrative non-fiction.
I absolutely loved it and recommend it highly.