As he began talking about the beetles, it was immediately apparent that they had the perfect spokesman! He is a man passionately interested in insects and, he told me, has “loved all things creepy-crawly” since he was a child. Like so many of the other people I have talked to while gathering information for this book, Lou had parents who were understanding and supportive of his fascination with invertebrates. (And other creatures, too—they allowed him to breed boa constrictors when he was nine years old!) What rhetorical appeal(s) is Goodall using here? Why? How do you know?