Mr. Postmouse and his family are going on vacation! Of course, he'll need to bring along a few parcels. After all, "a postmouse's rounds are never done!" Traveling by hot-air balloon, cruise ship and even by camel, the intrepid mouse family treks around the world, from the forest to the sea, the desert to the ice field, finding adventure, new discoveries and animal friends at every stop. And all along the way, Mr. Postmouse never misses a delivery! Kids will want to pack their bags and tag along. They've never seen a vacation quite like this one!