OK, here's my offering. It's edition 11 of the First Aid and Wilderness Medicine book by Drs Duff & Gormly. this is the best 1st aid book I have ever used and goes way beyond the normal 'home' reference. It not only contains a much wider range of subject matter (it assumes you can't reach help) but also has excellent appendices that include drugs and medicines and recommended 1st aid kits.
I have just bought edition 12 and, to be honest, there is very little difference and certainly no changes that 'matter' as far as I can see.
The book is used but in excellent condition.