The Goal: A Process of Ongoing Improvement
Eliyahu M. Goldratt & Jeff Cox
The Art of Computer Programming 3: Sorting and Searching
Donald E. Knuth
The Art of Computer Programming (3)
Testing Computer Software
Cem Kaner & Jack Falk & Hung Q. Nguyen
Agile Project Management with Scrum
Ken Schwaber
Developer Best Practices (1)
Programming Pearls
Jon L. Bentley