"Once in the Summer" is a fascinating book written with great insight into human feelings and complex relationships. The author skillfully reveals to us the story of love, betrayal, devotion and forgiveness. The main characters of this book - Mary and Alexander - go through difficult trials that test their strength. Through the blurring of the main characters, the author extends to the reader a thread that gives an opportunity to understand the depth of human feelings and relationships. "Once in the summer" is a book that calls us to think about the fact that the most valuable thing in life is love, devotion and the ability to share them with others.