"Not Nice: Stop People Pleasing, Staying Silent, & Feeling Guilty... And Start Speaking Up" is a guide by Aziz Gazipura that addresses the challenges faced by individuals who tend to please others while neglecting their own needs. This book explores how societal expectations and internal beliefs can limit individuals in their communication and behavior. The author provides practical strategies and insights to strengthen self-confidence and develop the ability to express oneself clearly and authentically. With 504 pages, the paperback offers a comprehensive analysis and numerous exercises that encourage readers to question their mindset and actively work on their personal development. The book is written in English and is aimed at anyone looking to improve their interpersonal relationships and lead a more fulfilling life. It is a valuable tool for those who want to learn how to raise their voice and free themselves from feelings of guilt.