I'm a huge fan of Tim Ferriss. If you can bypass all the sales jargon and gobbledy-gook, the approach and research and time and passion he puts into the things he churns out is incredible.
https://is.muni.cz/el/1423/podzim2013/SOC932/um/43553173/FERRISS_Timothy_-_The_4-Hour_Workweek.pdf redefined everything about my business sense, and gave me the ability to do the work of three people (full-time project manager, fill-time reputation manager, full-time husband) with the time of one person. Sure, I don't have the ability to escape my 9-5, nor do I want to. I don't have the time aside to disappear for six months and travel. But a lot of the concepts I could adapt to my everyday life, and I think there is only one other book that has shaped my daily routine more. And that book is...
https://fhww.files.wordpress.com/2014/10/4-hour-body.pdf. Minimum effective dosings, the Slow-Carb diet, mastering temperature to manipulate weight, minimalist mass gaining, sleep engineering, life extension, and on and on. This book is golden for human body experimentation and improvements/enhancements. Highly recommended.
https://fhww.files.wordpress.com/2014/10/the-4-hour-chef.pdf is also an incredible book for not only cooking, but also the broad-range concept of meta-learning (learning 80% of what you need to excel at a skill in 20% of the time, i.e. the Pareto Principle).
As you can imagine, I'm pretty psyched for Tools of Titans to come out: https://www.amazon.com/Tools-Titans-Billionaires-World-Class-Performers/dp/1328683788