Fun tech business books

Soul of a New Machine is one of my all time favourite books - a definite must read for anyone who cares about how technology gets created.

If we're talking fun tech books, this is the one for me: http://www.amazon.com/Programming-Arduino-Getting-Started-Sk...

Big book of hacks! http://www.amazon.com/The-Big-Book-Hacks-Projects/dp/1616283...