For C# and Java, I can recommend Peter Sestofts Precisely books. They're short and to the point: http://www.itu.dk/~sestoft/javaprecisely/ http://www.itu.dk/~se

For C# and Java, I can recommend Peter Sestofts Precisely books. They're short and to the point: http://www.itu.dk/~sestoft/javaprecisely/ http://www.itu.dk/~sestoft/javaprecisely/ http://www.itu.dk/~sestoft/csharpprecisely/ http://www.itu.dk/~sestoft/csharpprecisely/ (Author is my thesis advisor, so beware)