"The mechanics of good manners can be learned at any age, but when the learning process begins in childhood, mannerly behavior eventually becomes natural." These words set the tone of the latest guide to come from the Post family. Coauthored by Peggy Post (Everyday Etiquette) and Senning, codirector of the Emily Post Institute, this informative manual on teaching social skills to children is based on taking advantage of each development stage. A baby or a toddler is very limited in his or her ability to understand the fine points of mannerly behavior but, as the authors point out, babies learn first through imitation. Parents or caregivers who consistently demonstrate kind and respectful treatment of others will be used as positive role models by the children in their care. The authors fully describe each stage of growth and then outline all aspects of etiquette that should be taught during this period. From such trivial concerns as how to eat soup properly to important issues such as bullying and cheating, Post and Senning provide detailed guidance on methods of instructing children in acceptable behavior. Whatever the age of the child, they suggest positive reinforcement rather than punishment and, in fact, are opposed to any corporal punishment. During the difficult adolescent years, Post and Senning recommend keeping communication lines open, setting clear rules and expectations, and praising rather than criticizing teens. This is an excellent source of ideas and inspiration for raising children to be considerate adults. (Aug.)