If you don't mind reading in Dutch, you can buy Peter's book,

Biohacking: de toekomst van de maakbare mens

As we move closer to things like a Neural Network and other implantable technologies-being a cyborg becomes more of everyday reality...and something that is more a part of our bodies each year. This field is exploding with and growing at a pace that's remarkable. Get ready...if you don't keep up...your peers might show up one day 40% smarter than you in an instant.