They had also written several nonfiction books on the behind-the-scenes productions of the Star Trek series such as Star Trek: Phase II - The Lost Series and Star Trek: The Next Generation - The Continuing Mission.
他们还写了几本非小说类图书，讲述了 Star Trek 系列制作幕后的故事，例如 Star Trek：Phase II - The Lost Series 和 Star Trek：The Next Generation - The Continuing Mission。