Navigating the Amazon categories

If you think of Amazon’s book categories – all books on Amazon.com are placed into subject categories – as either crowded or lightly populated, where would you prefer your book to be? The answer may not be as obvious as you think. You’ll find more customers in the fast lane, which is where the highest-ranked (for popularity) books can be found, but your book may be lost in the crowd there. The reverse is also true: there are fewer readers in the less-populated categories, but your book is mo...