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You can often find authorized digital versions or fragments through academic repositories like Academia.edu or ResearchGate .

Developing the ability to make direct requests, communicate feelings openly, and refuse unwanted demands.

Comprehensive summaries are available on platforms like Scribd .

A major theme is that saying "no" is not about being rude; it is an act of self-respect that prevents burnout and fosters more honest connections. Resources for Further Reading

The authors categorize assertiveness into several levels of behavioral change:

(Don't Say Yes When You Want to Say No) is a seminal work by Dr. Herbert Fensterheim and Jean Baer. First published in 1975, this book introduced millions to the principles of Assertive Training (AT) , a behavioral therapy approach designed to help individuals express their true feelings, opinions, and needs without anxiety or aggression. Core Thesis