Half Brother

Are chimps as smart as humans? Can they learn language? These are questions that a scientist asks in this book. He is getting ready to do an experiment that will alter his families lives dramatically. Especially his sons. This story is tole through the eyes of Ben, a grade-school boy that struggles with the new adoption of Zan, a chimp that his parents are going to observe for...who knows? The rest of his life? As he get accustomed to having a new "sibling" Ben deals with jealousy, but then finally acceptance. But just as he is starting to realize that having a chimp for a brother isn't such a bad thing, his parents make a decision that changes all of their lives. Zan's especially. Can Ben deal with the newest shocking events?