YOU ARE FREE TO:
Adapt — remix, transform, and build upon the material.
NonCommercial — You may not use the material for commercial purposes.
ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
The cover art is copyrighted and all rights are reserved, and may not be used in any
way without the consent of the copyright holder. ©2018 Paul Durham