See attached Screenshot. The Old Testament ends at Zechariah!
I was trying to be helpful, but in looking further, it appears there are simply no entries for Malachi, which means it doesn't show up in the filter list...
The Bible book must contain a reference to an event which is tagged with a flag (dark not hollow IIRC). There are several Bible books that do not include a tagged event. These tags are not for events about the Bible book e.g. date of writing.
