Besides the already good technical book suggestions, I am going a bit off the path here, but these books have made me a better developer. "Endurance" about Sir

Besides the already good technical book suggestions, I am going a bit off the path here, but these books have made me a better developer. "Endurance" about Sir Ernest Shackleton's incredible failed expedition to the South Pole has a lot of parallels to any software project. Teaches you about setting a high goal, finding the right team, overcoming failure, being scrappy, and keeping your team together inspite of the odds. Another non-standard book is "Finding Flow" by Mihaly Csikszentmihalyi which is about psychology of happiness at work or life.