1.
The SmartPhone Wallet: Understanding the Disruption Ahead (Volume 1)
by Schropfer, David
ISBN: 9781456429973
List Price: $14.95
2.
Digital Habits: 5 Simple Tips for Everyday Online Security
by Schropfer, David, David W. ...
ISBN: 9781535297998
List Price: $8.95
3.
Google Wallet 2.0: How Verizon, AT&T, and Apple Effectively Blocked Google
by David W Schropfer
ISBN: 9781907720895
List Price: $995.00
4.
The Top 20 Public Companies In The Mobile Wallet Industry
by David W. Schropfer
ISBN: 9781907720734
List Price: $995.95