Well, I did buy The BBKA Guide in the end (it is actually now on the exams book list).
Sorry. NOT recommended.
There are indeed rather a lot of text editing mistakes. As though when re-phrased, not all the original words had been deleted. I'm not talking here about facts or information, I'm referring to whether or not the words as printed make a meaningful sentence.
The book needs the services of a proper proof-reader.
The index is pitifully inadequate. People need to be able to look things up.
The book needs the services of a proper indexer.
And when it comes to content, there is a lot of standard uncontroversial stuff.
BUT it does quite frequently veer off into personal quirks (smoker between the knees), as well as stuff that many people might nowadays think wrong (warm way keeps the bees warmer, cold way gives them more ventilation), and stuff that you'd think that the BBKA ought to be specifically warning AGAINST rather than endorsing (letting the bees clean out your extractor!) --- without any indication whatsoever of a departure from general orthodoxy!
The book really needs to be peer reviewed; to be a BBKA Guide it needs to be more than one chap's opinions.
But the graphic design and page layout is actually quite attractive.
Which may result in it selling well. And all manner of bad practices being perpetuated.