The main problem for me is that being evil together-spun story. That's just too unreal and improbable and unrealistic.
He admits this in the epilogue, probably wanted to just let off steam times.
The supposed realism of his previous books have in my opinion, but it is the charm identified precisely this.
Exciting the book is only partly because the story despite the many twists hardly progressing.
Even in English to read Grisham otherwise fine again - except one or another technical term you need usually barely times Look what. Simple language so.