Frozen Stiff (book) by Sherry Shahan

What begins as a two-night camping and kayaking trek in the untamed Alaskan wilderness turns into a test of survival for Cody and her cousin Derek. While their mothers are in Juneau picking up supplies for Yakutat Lodge, the cousins sneak off in an old pickup. The taste of freedom is soon tainted when Cody's kayak is lost on the rising tide, washing away her life vest and precious supplies. - perfect for elem/middle school - great condition! - no ripped pages or stains