Vent'anni di mysteri

You are all cordially invited to attend a reception hosted by Professor Mystère and Miss Diana Lombard. The preparations have been completed, the invitations have been sent, the guests are about to arrive... but there is a problem, an unexpected event that risks irremediably ruining the party! Note: The register contains in the appendix a revised edition updated to April 2002 of Martin Mystère's Analytical Index.