I'm confused by the core editions available at this link, basically. freeleaguepublishing.com/shop/the-one...

I would actually recommend the core book, which has a great adventure in it. The whole book is an exceptional piece of game writing and design. I’m running a campaign at the moment!

To be more helpful — this one: freeleaguepublishing.com/shop/the-one...

Gotcha! Sounds like I’ll be getting most of the books at this rate…