My book in print with NAROSA (Delhi) is titled:
Write Mathematics Right: Principles of Professional Presentation, Exemplified with Humor and Thrills. it is useful to teachers (High School, College and University) and research scholars. It overcomes a challenge from Prof. BOAS, Editor, Notices of American Math. Soc. (2002).
Radhakrishna has answered 6 questionsSEE HIS QUESTIONS