Onyx, New York, 2001, 1^st pr thus.  ISBN 0-451-40996-5.  MMPB, 378 pages.  Unread copy with some edge and cover wear; pages tanning.  ‘Fine-art connoisseur Jonas Kalem has assembled his team … to falsify Leonardo da Vinci’s “lost” manuscripts, including early sketches of the Mona Lisa.  If the hoax is successful, these items will fetch more than $100 million at auction – and bring international fame to the conspirators.  But when an original Leonardo folio is discovered missing … Kalem’s team attempts to cover their tracks … with disastrous results.  Now, Scotland Yard’s Inspector Jack Oxby of the Art and Antiques Squad must travel from London to New York and northern Italy to uncover a trail of betrayal, blackmail – and murder.’ (from rear wrap)