|   | by PerseusHardcover details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-1-59315-706-7 ISBN-10: 1-59315-706-1 Vanguard Press · 2012 | 
| See also (possibly by other authors): | ||
| 2013 | Preloaded Digital Audio Player | Pendulum: How Past Generations Shape Our Present and Predict Our Future |