Writing the GM's guide for Into the Unknown  has definitely been the biggest challenge of the project, forcing me to examine hard my own assumptions and understanding of what is good game mastering. But at this stage, I think we're close enough that playtest is only a few weeks away. All sections are laid out, page count is finalised - It just needs some text added to a handful of sections. Blending 5e and B/X has been an excellent study in the differences between the two and trying to understand the implications of some of the changes. Reaction rolls and Morale for example, are among the more beloved parts of B/X that were abandoned in 3e and haven't been seen since. I've spent a fair bit of time examining both sides of the fence and figuring out which way to go. Here's a sidebar I ended up adding to the section on social interaction that sums up how I feel social interaction should work in D&D: “Social Combat” The reaction roll is not a structured...