[Resolved]  Atm Amazon Mkt Place Pmts Amzn.com / Bill Wa — Unknown Charges

12/21/2010 ATM/POS ATM AMAZON MKTPLACE PMTS AMZN.COM/BILL WA ON 101221##7764 ($11.24)

12/20/2010 ATM/POS ATM AMAZON MKTPLACE PMTS AMZN.COM/BILL WA ON 101219##7764 ($10.98)

12/6/2010 ATM/POS ATM AMAZON MKTPLACE PMTS AMZN.COM/BILL WA ON 101206##7764 ($2.25)

Have no idea what these charges are for or where they came from. Where to I write or who do I call to get help with this? Have had to cancel bank card due to this.