When you select a book there will be choices of format offered and you have to use format 4. ----- Original Message ----- From: "David Trott" <dart1018@xxxxxxxxxxx> To: <bookport@xxxxxxxxxxxxx> Sent: Sunday, October 17, 2004 10:16 AM Subject: [bookport] I must be getting old : When I try to send a book to my book port it says that only audible 4 files : are supported. : I don't understand the difference and how you can tell. Also once you have a : book is there any way of getting it to format 4 : : Thanks again : : David : : : :