Some SEO experts have long since cottoned onto this fact, and have enjoyed a lot of traffic for thier clients products as a result of advertising on the NPLH website, and all for very reasonable rates.
If you would like to see your Holmes book (or other products, but bear in mind the type of user group for this site) advertised on News posts/on speficic pages like you can see below (or via any custom HTML code) thenplease get in touch to discuss via the contact form.