The boys have just traded all their thingamabobs and other treasures for a time machine. Wow! But Sam says they've been bamboozled. There are no knobs or anything on it. But they have a manual and they're ready to take on the doodads and the hoozie-doozies. Everyone climbs in to the time machine which looks suspiciously like a big brown box . Nothing happens. More tinkering is required.Suddenly they are launched and then whoops, over they go. Well, will this thing ever take them where they want to go? It will if you turn it into a bookmobile! Books can take you anywhere!