And by the way ...

All of the characters in the book are, in fact, characters, meaning that they are products of the author’s imagination and do not exist in the real world.

You can find out more about the author and the products of his imagination at www.richardscarsbrook.com.

Also ...

The “Indifference League Collector Cards” were inspired by the Marvel Universe Cards, Series 2. They’re pretty cool.

And ...

The National Geographic feature mentioned in Chapters 17 and 18, “What Darwin Didn’t Know,” is a real article that appeared in the February 2009 issue of the magazine.

And another thing ...

The answer to The Riddler’s riddle, quoted at the beginning of Chapter 11, is “a hole,” although the author of this book may have been implying something else.