
Initially this was simply a verbal link that appeared in brackets after the book’s title, letting readers know that there were more books available in the series.

If you’ve written a series yourself, you probably know that Amazon enables you to link your books as part of a series. I’ve scoured Oxfam and other charity shops searching for back copies of the Dave Robicheaux books of James Lee Burke and the Jack Reacher novels of Lee Child, then loitered furtively in bookshops waiting for their new books to arrive. Advice to indie writers who want to build an audience has often included the mantra to ‘Write a series!’ The rationale is that once readers find at least one of your books they’ll want to tuck into the rest.
