Gerald I go with your last point that it is easiest, in my opinion best, not to worry too much about proper categorization. The point of such a list is to provide a potential target list of books to read and to consider. The reader can determine for themselves if the supplied descriptions is of interest once they click onto a title. Differentiating too much will cause confusion and inadvertently folks might just miss something they otherwise might have chosen to read. Typically, a library cataloging system will not attempt to place an individual book into a single category but rather try to attempt to hit enough categories where potential readers might find them. Hence, attempting to narrow too closely could hurt more than aid. To unsubscribe from this list send a blank Email to bksvol-discuss-request@xxxxxxxxxxxxx put the word 'unsubscribe' by itself in the subject line. To get a list of available commands, put the word 'help' by itself in the subject line.