Here are a few links to some excellent sites of authors and/or their respective publishers which focus on the Crime, Mystery, Thriller & Suspense genres and sub-genres and which are definitely very worth your while to visit.

Jake Needham

Jake Needham, author of the Inspector Samuel Tay series.

James Lee

James Lee (pen name of Jim Aitchison), author of the Mr. Mystery series (for children).

Nury Vittachi

Nury Vittachi, author of The Feng Shui Detective series.

Shamini Flint

Shamini Flint, author of the Inspector Singh series.

William L. Gibson

William L. Gibson, author of the Detective Hawksworth Trilogy (Singapore Black/Yellow/Red)