"As a gentleman would say" is a book for young adolescents on their way into adulthood. It describes what to say when something unexpected comes up in life, like if a friend asks about your salary, or other unexpected matters and other things to make you into a model gentleman. It also explains what might happen if you say one of the things that is listed as should not be said for that matter.
All in all, a good book for young teenagers growing into adulthood.