Books

Level	Description
Level 0	Unleashed series, 21 days series, 24 hour series, dummies series'
Level 1	Code Complete, Don't Make me Think, Mastering Regular Expressions
Level 2	Design Patterns, Peopleware, Programming Pearls, Algorithm Design Manual, Pragmatic Programmer, Mythical Man month
Level 3	Structure and Interpretation of Computer Programs, Concepts Techniques, Models of Computer Programming, Art of Computer Programming, Database systems , by C. J Date, Thinking Forth, Little Schemer