The How2 books are fine if you want to waste money on out of date info that's freely available.Yeah, bite size is pretty decent. Ive also bought a couple of books from amazon by richard mcmunn, they're not bad either.
No way, really, didnt realise that, thought theyd be quite similar in difficulty.
If you look on YouTube, you'd find Mr McMunn giving a lecture all about the selection interview we stopped using a couple of years ago. The video clip is longer than the interview. Most of the information is plagiarised from (free) RN careers publications, in fact the RM Officer advice is copied & pasted direct from the National Archive Royal Marines website.