Grab a copy of "The little Schemer" (Daniel P Friedman and Matthias Felleisen) and a pencil and you can skip the phone and the notebook - oh and learn scheme of

Grab a copy of "The little Schemer" (Daniel P Friedman and Matthias Felleisen) and a pencil and you can skip the phone and the notebook - oh and learn scheme of course. Travel light but make sure you travel.