The ICTP will be officially closed between 25 December and 7 January as part of its annual winter break. The 12-months 1999 Calendar, highlighting Centre facilities and activities on the occasion of ICTP's 35th anniversary, and the 1999 Scientific Calendar, listing the Centre's research and training agenda for next year, will be distributed to scientists and staff before the break. The Public Information Office wishes everyone a peaceful and pleasant holiday season.