E.1 Photos, images, and diagrams
Unless otherwise noted, all photographs, images, and diagrams were created by the author, Robert S. Sutor. They share the same copyright as the book itself.
The photo of Gus the cat in section 14.2 is by Katie Sutor and is used with permission.
The photo of the baseball field in section 15.5 is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License:
https://creativecommons.org/licenses/by-sa/4.0/deed.en
The author retrieved it from Wikimedia Commons on May 22, 2021:
The author converted the photo to grayscale, cropped the upper portion, blurred brand names, and placed circles around the positions of the outfielders.