""Penny likes to hide her toys and other stuff in the yard . . . . Maybe I'll make a map of Penny's hideouts.""Lisa's class is learning how to make maps. The teacher says they can make maps of anyplace, so Lisa starts with her bedroom. She includes all the things that people will need to read the map, such as a scale and a key to the symbols she has used. Her dog, Penny, helps with the map. This gives Lisa an idea. Why not map Penny's world? Making...