22-01-2015, 06:29 PM
I believe he initially had them available on CDrom, and then after selling those went to digital. I don't have a kindle, so I contacted Walt and was able to get a CD from him directly. If someone wants a cd, I would contact Walt at his email, he might be able to procure one for you.
When you have eliminated the impossible, whatever remains, however improbable, must be the truth.