A ninja with improbable abilities steals an ancient Tibetan artifact in London. David Braun, hunky insurance in­ves­ti­ga­tor cum martial artist, sets out to recover it with the aid of Susan Milton, an American researcher. I can tell you no more, because I could’t bring myself to finish it.

It is rare that I abandon a book halfway through once begun, though perhaps I should more often. Adept is ludicrous and clumsily written. I found it impossible to suspend my disbelief.