Say It Right: How to Talk in Any Business or Social Situation by Lillian Glass is a valuable reference book for those looking to improve their communication skills in various social and business situations. Published by Penguin Publishing Group in 1992, this trade paperback covers subjects related to etiquette and general communication. The book offers practical tips and advice on how to effectively express oneself in professional and interpersonal settings, making it a helpful resource for individuals seeking to enhance their communication abilities.