I read Bouton's Ball Four when I was in 8th grade. Changed my baseball life. Tried to learn a knuckleball because of it (which later evolved into a fairly effective forkball). Changed my vocabulary because of it, which got me in trouble at school because for a day or two I couldn't stop saying "f..ks..t". Made me realize ball players were human, but I was too young to think of it that way.
Bouton pulled back the veil on baseball, for better or worse.