Registration line. Attendance was over 3500 people.

The 2009 Worldcon is call Anticipation and will be in Montreal.

The original SF fans communicated with fanzines rather than blogs. The fanzine lounge is where fanzines are exhibited and sold.

Getting books autographed by your favorite author is a standard activity at Worldcon.

Author Michael Swanwick.

Getting together with fellow fans was the reason for the first Worldcon. Lunch with members of the Compuserve SF forum.

Guests of Honor at the opening ceremonies.

Representative of 2007 Worldcon in Japan passes the torch.

Kent Bloom, Chair of Denvention 3.

Tony Ruggiero moderates panel on military SF.

The panelists were (left to right) Elizabeth Moon, Tanya Huff, Francis Hamit and Joe Haldeman.

Worldcon's legal organization is the World Science Fiction Society and it conducts its business meetings during Worldcon. WSFS officers shown are (left to right) Jared Dashoff, Donald Eastlake, Kevin Standlee and Patrick McMurray.

Lois McMaster Bujold giving her Guest of Honor speech.

Guest of Honor Tom Whitmore being interviewed by Teresa Nielsen Hayden.

The host for the Worldcons are bid upon at the Worldcons. For 2011, the bidders are Reno and Seattle.