The 'book deal' is the no.2 go-to corruption scheme for politicians
(no.1 being the 'consultant' job at the corporation they passed policy for..)
> Politician passes policies to favour someone
>can't get paid yet, too obvious
>politician retires
> corporation funnels their share through a 'book deal'
>Cash payment upfront
>Recurring payments made through cash purchases of the book by the thousands
>Fraudulent book sales drive it up the 'best sellers list'
>Fraudulent sales are now hidden through people legit buying it because of the aformentioned promotions