Ebook: Congratulate the Devil (Library of Wales)

Starling knows a chemist called Roper, who knows a painter called Jourbert, who knows a man in Mexico who works for the government. Mescal has always had its routes into the world. There has been a new shipment, but not quite what anyone expected. This is a new drug. It opens the doors of perception for a man like Roper hiding away in his north London laboratory. He can make people work for him, turn his friends into fools or murderers, if only he could control his own mind....