Block paragraphs work well for other non-fiction, especially if you're managing multiple sections, or the layout is more complicated.

I have a couple of other non-fiction projects on my mind, one dealing with the Old Testament, the other with Shakespeare.

What I think puts this book above other non-fiction planet books is that it is presented in pictures which makes it more engaging and entertaining.

The other non-fiction book is The Strangest Man by Graham Farmelo, about one of the most brilliant scientific minds of the last century, Paul Dirac.

Other non-fiction authors might decide paraphrase what was said instead, he said.