Other than a marriage and parenting, I can’t think of anything else that is more difficult for two people to share than one writing project. But when it’s done right, when everything works, the results are amazing. I have had the pleasure of collaborating with several people on stories for books and screenplays, and the primary benefit that I saw in doing that was the blend of artistic strengths that produced a better story. Not to mention the extra nod to discipline when having to report to another live person about your writing progress. My first partnership was with Margaret Sutton on the mystery Doubletake . When we decided to write a book together, all I could think of was “The Odd Couple.” Not that either of us matched the personality types of Felix and Oscar, but we certainly were as opposite as opposite could get. How could a humor columnist who was known as the Erma Bombeck of Plano, Texas and an entrepreneur whose writing credentials included invoices, business lett...