"which _specific_ book covers all the new nav topics, as only one book does"
If it isn't my one, then that's 2!
I think it's about time that the PPL syllabus was sorted out - as someone said, the idiot(s) who chose the recently issued questions ought to have their respective butts kicked, but a lot of people are going on to be commercial pilots, and we see the dire results of the current system here.
Phil