LR Book Question

I found the answer and posting in case it will help someone else.

Ater a book has been saved, it appears under collections like any other collection.

To add photos for possible adds to the actual book, simply move the photo in one of the other non book collections to the book collection.   Works like a charm...   but not obvious at least to me on how it works.. Thanks to LR Queen's e-mail that helped..

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Just an amateur
http://www.moosehead.smugmug.com