rec.arts.books.tolkien   rec.arts.books.tolkien@googlegroups.com
The works of J.R.R. Tolkien.
Language: English
18766 subscribers, Messages per month: 54, Usenet

rec.arts.books   rec.arts.books@googlegroups.com
Books of all genres, and the publishing industry.
Language: English
62228 subscribers, Messages per month: 45, Usenet

rec.arts.books.marketplace   rec.arts.books.marketplace@googlegroups.com
Buying and selling of books.
Language: English
22496 subscribers, Messages per month: 45, Usenet

rec.arts.books.childrens   rec.arts.books.childrens@googlegroups.com
All aspects of children's literature.
Language: English
17304 subscribers, Messages per month: 27, Usenet

rec.arts.books.hist-fiction   rec.arts.books.hist-fiction@googlegroups.com
Historical fictions (novels) in general.
Language: English
5603 subscribers, Usenet