My father was a wages clerk, but he died when I was young, and my mother worked in a series of local shops and pubs to make ends meet. (conservativehome.blogs.com)
When you publish a series of connected books you can promote the other works in the series within each book and not only in the end pages. (bookmarketingtools.com)
Again: this is not for a bargain hunter looking for the lowest comparable price for works in this series; you most certainly won't find it here. (artsy.net)