I’m me. Ha ha. Peek-a-boo. The litter reference would suggest the author regarded this entire book as a moral dilemma – sure, paper airplanes were a groovy way to spread love, peace and beauty, but what if they weren’t properly disposed of? He almost couldn’t sleep, worrying about it.

Whew, that was exhausting! Before we contemplate another plane, let’s pause for another great graphic from 1971, kids! Ready?