In this lesson, learners will have fun listening to a story about Farmer Bob.  After bringing in his corn, potatoes, beans, and tomatoes, Farmer Bob decides to settle down for a good night's rest. While he snoozes away, the river rises high enough to set his bed afloat down the river. This sends the animals into a panic--a drove of pigs outlines a plan, a colony of beavers races to chew down trees, a school of fish tries to create a dam, and so forth. Will Farmer Bob be rescued by a nest of...