Science fiction novelist Matthew Mather led our Science Fiction Self-Published Bestsellers list with CyberStorm this month (he also spoke at our course for indie authors).

Our weekly self-published bestsellers list is often dominated by the popular genres of romance and erotica. In an effort to help GalleyCat readers find other kinds of independent authors, we will offer regular genre-focused bestseller lists for other kinds of indie writers.

To keep the list fresh, we’ve highlighted three top books from four different marketplaces. If you are an author, check out our new online course–finish your book with the help of bestselling independent authors.

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