The Xanadu Talisman

1982 Pan Books mass market paperback, Peter O'Donnell (Sabre-Tooth: A Modesty Blaise Adventure). In this classic return we see Modesty both at her most feminine and at her toughest. Trapped in an earthquake disaster with a dying man, she makes a promise that is to lead her and her faithful friend Willie Garvin into the most perilous crisis of their careers. Their quest takes them from Tangier to Paris, from the Riviera to Corsica, and finally to a stronghold in the heart of the Atlas Mountains, their every move observed and manipulated by El Mico, the most notorious and dangerous criminal genius in the Mediterranean. - Amazon