Linguist Geoffrey Pullum called Gwynne a "preposterous old fraud" with a "lack of any grasp of the subject"[REF] and was quoted in the New Zealand Herald saying, "I've never seen a book so bad on my subject" [REF].
Oliver Kamm, a leader writer for The Times newspaper, in Accidence Will Happen: The Non-Pedantic Guide to English Usage, described Gwynne's Grammar as "a work of titanic silliness"[REF] and in The Times in January 2017 as "the worst book I have read on language and perhaps on anything" [REF].