From: utzoo!decvax!decwrl!turtleva!ken
Newsgroups: net.misc,net.news.group
Title: Re: net.book(s)
Article-I.D.: turtleva.164
Posted: Thu Feb 17 18:23:03 1983
Received: Fri Feb 18 02:26:44 1983
References: alice.1505

I say it should be net.books instead of net.book.
In this way it is similar to net.cooks.