Links and links
The Interactive Fiction Archive is of course the ur-resource for all things IF.
Community websites
Books and Publications
Also: 50 Years of Text Games: A definitive book about the first half-century of interactive fiction.
Authoring
Theory
Mind the Gap (20 December 2016) About leaving gaps in (interactive) fiction for the reader / player to fill with their imagination.
Energy & Play: A Look at Interactive Fiction & Visual Novels (14 November 2016) Games can be stressful. But interactive fiction thinks about game design in a new light.
History
The MIT Basement Tunnel System (8 September 2012) About the places that inspired part of Infocom's famous game The Lurking Horror.
People
The Further Text Adventures of Scott Adams (24 November 2021) The man who invented the interactive fiction genre talks about its past and future.
Interview with Brian Moriarty (March 2006) Innovation, design and screenplay of an adventure game: Brian Moriarty's views on these topics and some more, in a masterclass worth reading.