Scholastic is the most trusted name in learning and BOB Books has become the most trusted name in learning to read. For years, parents trying to teach their children to read have flocked to the BOB Books boxed sets, making it the #1 bestselling learn-to read program in the United States. Over 3 million children can now say, "I read the whole book!" thanks to BOB Books. Jack's kindergarten class goes on a field trip to the zoo! As they walk around the zoo, Jack hears all sorts of sounds. There's the hoot of the howler monkey, the roar of the tiger, the caw of the parrots. When the class hears a laughing sound, the teacher thinks that it's a hyena???but it turns out to be kids laughing and playing at the zoo playground!