Peter Thiel's book emphasizes finding market insights, innovations or "secrets" for a business that will grow over the next 10 - 20 years.
Instead of following your passion, you should develop skills and experience, then leverage them to have more autonomy and control over the work you do and your day-to-day schedule.
"The secrets of highly successful groups." This book was full of good advice and stories to back it up. I enjoyed the look behind the scenes at Pixar, Zappos and IDEO.