[Just some guy]

Originally Posted by JSWolf

A 1em paragraph space is too much. It distracts from reading as your eye doesn't move to the next paragraph but to the space instead. It can get mistaken for a section break. But overall, a 1em space makes the book rather hard to read.

I've seen some publishers use a .3em space between paragraphs. That's not going to throw the reader out of the book.

Thank you for the .3em suggestion!

I would never have figured this out without theducks , but .3em is exactly the amount of space I was looking for.