When I started writing my own books, I realized I also needed to format them. At first, I worked with a graphics artist who handled that for me and sent me a PDF file, ready for upload to CreateSpace.

A few weeks after uploading the manuscript, realized I needed to make a few changes. Readers had noticed a few typos and notified me. I had made a couple of extra changes myself. And later on, I decided to change the numbering of my books.

It soon became clear I couldn’t bother my poor designer every time I needed to edit something. So, I started looking into ways to edit my PDF manuscript myself. To my surprise, there didn’t seem to to be an easy, affordable way of doing so. Adobe’s own software, Acrobat DC, is priced at almost $20/month; a deal that was unaffordable. I don’t like subscription-based software in general, and…