Biohacker's Handbook is a book by Teemu Arina, Olli Sovijärvi, and Jaakko Halmetoja.
"Biohacking is the art and science of optimizing your performance, health and wellbeing with the help of technological and biological tools. A deep dive into sleep, nutrition, exercise, work, and the function of the mind. Take the fundamental aspects of life to a whole new level in terms of both understanding and application." - From the Official website