About the author

Rod Stephens has been a software developer, consultant, instructor, and author. He has written more than 30 books and 250 magazine articles covering such topics as three-dimensional graphics, algorithms, database design, software engineering, interview puzzles, C#, and Visual Basic. 

Rod's popular C# Helper and VB Helper websites receive millions of hits per year and contain thousands of tips, tricks, and example programs for C# and Visual Basic developers. Some of his most recent books include:

•  WPF 3d: Three-Dimensional Graphics with WPF and C#
• Interview Puzzles Dissected: Solving and Understanding Interview Puzzles
• Beginning Software Engineering
• Essential Algorithms: A Practical Approach to Computer Algorithms