eBook .NET Security written by Jason Bock, Pete Stromquist, Tom Fischer, Nathan Smith of Apress L. P. is available for free download from rapidshare. When you use .NET to create client-and server-side applications, you have to address a new and large set of security issues. .NET Security shows you what you need to know by covering different aspects of the .NET security model through detailed discussions... 

eBook Computational Finance Using C and C# written by George Levy of Elsevier Science is available for free download from rapidshare. In Computational Finance Using C and C# George Levy raises computational finance to the next level using the languages of both standard C and C#. The inclusion of both these languages enables readers to match their use of the book to their firm’s internal software...