+1
I recommend Kropotkin, along with Lewontin and Levins so often to my students. The Dialectical Biologist is a great antidote to The Selfish Gene, and Lewontin’s Biology as Ideology should also be required reading.
We'd all be better off if in addition to Darwin we were also taught Kropotkin. Darwin talked a lot about evolutionary pressures selecting for certain traits. Kropokin talked about how animals acting cooperatively allowed for survival.