If you have interest in purchasing a signed book from the author they are available at the link below (opens in a new tab).

The Official Zinkarts Online Store

Signed copies are a bit more since he does not ship at the same volume as Amazon. That said, unsigned copies are available from Keith’s Amazon Author store.

Amazon Link

You may also find his work on many Ebook formats. Below are links to the four most popular, but his books are available anywhere that Smashwords ships.

Button to Kindle Store

Button to iBooks StoreButton to Nook StoreButton to Kobo Store