What is the Sicilian Defence?

Much derided during the 19th Century, the Sicilian Defence has come back as one of the surest games for Black to win on. But you should know all the variations.

Sicilian Defense - Chess Openings

Sicilian Defense The Chelyabinsk Variation: Its Past, Present and Future - Gennadi Timoshcenko

Opening Quickstarters: The Sicilian Defence : r/chessbeginners

Chess Opening Secrets Revealed*: Chess: Understanding the Sicilian Defense (Najdorf Variation) Part V

What is the Sicilian opening? - Quora

Sicilian Defense: Full Guide, Main Lines, Secondary Options

Sicilian Defense Variations & Theory

Opening Repertoire: Beating the Sicilian Main Lines – Everyman Chess

How to Play the Sicilian Defense by David N. L. Levy: Brand New Paperback (2009)

Sicilian Defense - The Chess Website

Sicilian Defense - Four Knights Variation - Remote Chess Academy

GM 6 - The Sicilian Defence by Lubomir Ftacnik (hardcover) - online chess shop