Finding Answers

You have a pretty good analysis so far. To practice your skills, I’m going to give you a few questions to tackle on your own.

<a onclick="window.open('#publisher', '_self');">What is Houghton Mifflin Harcourt's (publisher) most popular book?</a>

<a onclick="window.open('#nineties', '_self');">What is the least popular book of the 90s?</a>

<a onclick="window.open('#rating', '_self');">...