I've noticed that List tags don't play nice if you have any text between the end of one Li tag and the beginning of the next. Also, your graft handbook has an erroneous List tag at the beginning of the Individual Graft Review post that's causing the extra /List tag at the end. The simplest way to deal with List tags is actually to remove all of them and let the boards add them back in automatically at the beginning and end of sets of Li tags. As a plus, the List tags it puts in don't count against your post's character limit, which can be helpful if you're running up close to the limit.