Three children go on a polar expedition in this thrilling adventure story for newly independent readers that blurs realism and imagination. Ida, Max, and Jack go to the creek one winter's day. They play on an ice floe then find themselves floating away--all the way to the polar ice, with just a box, a branch, and some sandwiches. "You probably don't think it's true, and we didn't either, not even while it was happening..."...