I read this book about 14-Sep-2007. This is the first time I've read this book. The book is copyright 2001. This note was last modified Tuesday, 27-Nov-2007 10:42:26 PST.
By David Weber and John Ringo. Book two of the "Prince Roger" series.
First they cross a continent (and a nearly uncrossable mountain range), then they have to cross the ocean to get to the port. So they have to pass on sailing technology as well as weapons.