Bought in a second-hand-shop to be released.

" It is January 1721. London is reeling from the effects of the greatest scandal of the age, the collapse of the South Sea Bubble. William Spandrel, a penniless mapmaker, is offered a discharge of his debts by Sir Theodore Janssen, a director of the South Sea Company, on one condition: he must secretly convey an important package to a friend of Janssen's Ysbrand de Vries, in Amsterdam.
The package is safely delivered, Spandrel barely survives an attempt on his life, only to be blamed for the murder of de Vries himself. When de Vries's secretary, his English wife and the package go missing shortly afterwards, Spandrel realise that he has become a pawn in several people's games. British Government agents, and others, are on his trail, believing that the mysterious package contains secrets that could spark a revolution in England.
Spandrel's only chance of survival is to recover the package and place its contents in the right hands. But whose are the right hands? And what are the contents?"

On the shelf by the door.

I have sadly needed to close the bookcrossing zone at the chocolate factory. Maybe it will open again some time later on. But at the moment the books are all at home and will be released somewhere else sooner or later.