<span style=”color: #444444; font-size: 12px; -webkit-text-size-adjust: auto;”>I never quite decided if Adams was developing his concept or trolling everyone the way the story changes in quite significant ways from one telling to the next. </span>
As I understood it, Adams had serious writers’ block in the second series, John Lloyd having to bail him out for most of it. As a result, when it came to the books, Adams had to re-plot heavily, because most of the material wasn’t his.