From the time that Pocket Books started publishing Star Trek novels until about 2001, most novels had numbers. The numbers were completely pointless, since nearly all novels were stand-alone stories but they were still there, perhaps for those people who like reading books in order.
Now there are many serial stories that must be read in the correct order, but the numbers are gone. In the past, many novels included a long list of all Star Trek novels ever published, but now that's gone too. So how is the average reader supposed to know which book comes first? What's to stop someone from reading Before Dishonor first and Resistance second, by mistake? How would one know that the McCoy book comes first and the Kirk book last in the Crucible trilogy?
Now there are many serial stories that must be read in the correct order, but the numbers are gone. In the past, many novels included a long list of all Star Trek novels ever published, but now that's gone too. So how is the average reader supposed to know which book comes first? What's to stop someone from reading Before Dishonor first and Resistance second, by mistake? How would one know that the McCoy book comes first and the Kirk book last in the Crucible trilogy?