January 10-12, 1975:
Fourlh International Star Trek Con-vention at American Hotel. New York City. Info: ISTC. Box 3127. New York City 10008.
Space Study Meeting on the use ot readily available equipment tor sound student space Products, in London. England. Info: Executive Secretary. British Interplanetary Society, 12 Bessborough Gardens. London SWW 2JJ. England.
CONFUSION 13 at Briarwood Hil-ton, Ann Arbor. Michigan. Guest ot Honor. Frederik Pohl; Fan Guest ot Honor. Mikę Glicksohn. Registration Info: Ron Nagey. 240 Michigan inion. University ot Michigan. Ann 'bor. Michigan 48104.
SYNCON 75 at MacOuarie Univer-sity. North Ryde. Australia. Regislra-tion AS4. Info: Ron and Sue Ciarkę. 2/159 Herring Road. North Ryde NSW 2113 Australia.
Joint Meeting of American Physical Society and American Association of Physics Teachers at the Convention Center. Anaheim, Califorma. Info: APS. 335 East 45 Street. New York City 10017.
AUSSIECON 75 (33rd World Science Fiction Convention) at Southern Cross Hotel. Melbourne. Australia. Guest of Honor. Ursula K. LeGuin. Fan Guests of Honor, Mikę Glicksohn and Susan Wood. Info: Box 4039. Melbourne 3001 Australia. US Agents: Jack Chalker. 5111 Liberty Helghts Avenue. Baltimore. Maryland 21207. or Fred Patten, 11863 W. Jefferson Błvd., 1. Cułver City. California 90230. Canadian Agent: Richard Labonte. 64 Marł-borough Ave., Ottawa K1N 8E9 Ontario.
—Anthony R. Lewis