What Happened to The Crossbreed?

When I was younger, I loved a book called The Crossbreed. It's about a cat that was a cross between a house cat and a wild bobcat.  It was a fun adventure that got me interested in bobcats and lynxes and the differences between them.  

Even the cover illustration was compelling, and wonderful to refer to while reading inside about the length of a bobcat's tail or the tufts on its ears. See the original, below...