"Grandma's Effect" is a book that opens the reader to an exciting world of good deeds, friendship and magic. The main character, a young architect, accidentally saw something incredible: every time her grandmother helps someone in a difficult moment, her own life changes radically. Is it just a coincidence or something supernatural? The author of the book guides the reader through the labyrinths of kindness and relationships, revealing the secret of the "Grandma Effect". This book captivates from the first pages, inspiring thought about the importance of good deeds in our lives.