With Mommy and Daddy's help, Caillou learns that it's nice to hear the words please and thank you. They are like a friendly hug that encourages people to respond favorably. Politeness is much more than just a social convention; it is also a way to ease our interactions with others. Even very young children can learn to express their needs courteously. In this book, Caillou discovers why asking nicely is so important. A great book to introduce kids to politeness!