Perhaps not a traditional 'Zen' book, but I greatly enjoyed The Man Who Folded Himself by David Gerrold. It's not without its flaws, but it explores
**cleaning teeth with a cypress toothpick**
A kindle self-destruct app.
'To Meet The Real Dragon' by Gudo Nishijima
I hit the big Five Oh (No) on Monday - I understand my gorgeous wife is going to buy me a Kindle Paperwhite. Yay!!!