holmesian is a timed mystery fic challenge community. Participants--using pseudonyms--write mysteries featuring characters from detective stories (any media). These fics are posted to the community after a specified deadline--missing their solutions. Readers get a chance to solve the mysteries for themselves and post their guesses through screened comments. Solutions (and author identities) will be revealed once the guessing period has passed.
Currently accepting sign-ups for the challenge until October 23, 2006. Deadlines will be posted after the sign-up period.