Though his staff is often confused by the way he runs the office, I've found that there's 'method in his madness'.
The book lacks 'method'. [=the book is not arranged in an orderly way]
He claims to have developed a new 'method' for growing tomatoes.
(..) - No. I will not make a martyr of him. I have been told... of a certain sea snake... which has a very unusual method of attracting its prey. It will lie at the bottom of the ocean as if wounded. Then its enemies will approach, (..)2000 Gladiator