Hi everyone - I've been playing chess regularly for just a few months, but I'm looking to seriously improve my game.  I always respond to 1.e4 with c5, so I would like to have a book that can teach me more about the Sicilian defense, so that I can be more effective playing the black pieces, and so that I can understand how to better play against the opening as white. 

Is there any book which explains some open, semi-open, and closed positions, and, if possible, also includes some of the 'anti-sicilains?'  I'm not looking for a very advanced book, just a good overview for a modestly rated player.

Thank you for your comments

The Sicilian for the Tournament Player , Eduard Gufeld, Batsford.

It got a bit of everything in it, is good.

Starting Out: the Sicilian by John Emms