Sputnik's Guided to Earth

The Blythes are a big, warm, family who live on a small farm and sometimes foster children. Now Prez has come to live with them. But, though he seems cheerful and helpful, he never says a word. Then one day Prez answers the door to someone claiming to be his relative. This small, loud stranger carries a backpack, walks with a swagger and goes by the name of Sputnik. It turns out that Sputnik is writing a guidebook to Earth called Ten Things Worth Doing on Earth, and he takes Prez on a journey to discover just those ten things. Each adventure seems to take Prez nearer to the heart of the family he is being fostered by. But they also take him closer to the day that he is due to leave them forever ...