UPDATE: This item has been located.

The following item has been reported missing: 

The Quark and the Jaguar by Murray Gell-Mann First edition. Encased in a clear plastic protective cover (which may have been since removed); pristine condition.  Inscribed by the author to Mel Schwartz. The inscription read something like "To Mel Schwartz from 'the top quark'." The inscription may have been signed "Murray". 

If you have any information on this item, please contact David N. Schwartz by telephone, 212-787-5017 or 917-209-5660, or email, david.schwartz@dnschwartz.com