Four Must Read Books For Software Developers or Engineers

For any Software Engineer or Developer at any given level. There are four major books that one must have read or Should atleast start reading namely:
1. Clean Code - Robert C Martin(Uncle Bob)
2. Design Patterns - Gang of Four
3. The Pragmatic Programmer - David Thomas & Andrew Hunt
4. Clean Architecture - Uncle Bob
Bonus
Cracking the Coding Interview - Gayle Laakmann McDowell