20 Questions for Chris #2

The next question, from Roy:

"I noticed that the tone of your last book (Zellohar) was significantly different than the others I've read, and I also notice that your wife is listed as a co-author.  How did that happen, how was it to work with her, and are you planning on doing it from now on?"

Wow!  Great question!

First of all, I must complement you, Roy, on noticing the difference in "tone".  Two things contributed to this:  First, I must confess, that this is not a "new" novel, but in...