Readers tried the freebie and went on to
buy other books in the series.
When readers download a free book and like it, they tend to
buy other books in the series.
Free promotions seem to work particularly well for books in series, drawing people to
buy other books in the series.
That way you use the advertised book as a loss leader in the hopes that readers will
buy the other books in the series.
Better yet, they will
buy other books in the series.
If I do that, then readers are more likely to
buy the other books in that series.
Therefore, we hope that those who actually read the book may go on to
buy our other books in these series.
people were compelled to
buy other books in the series.