As with many concepts it is not the the idea that is hard but it’s application. ‘Fifty Quick Ideas to Improve Your User Stories’ by Gojko Adzic and David Evans provides some great tips to apply the concept of user stories to real world problems. Highlighting where they work and where they don’t, and what you can do about it.
I think this book is well worth a read for anyone, irrespective of their role in a team; it’s short chapters (usually a couple of pages per idea) means it easy to pickup and put down when you get a few minutes. Perfect for that commute