The book is a biography and an excerpt from the confessions and life of a young Saudi man who lived in the nineties as a teenager in a flurry of emotions, full of feelings, soft-hearted, susceptible and volatile. He belongs to the middle class, which constitutes the majority of Saudis. The book "At Ninety" is the confessions and debates of a young Saudi man who lived part of his life at the age of ninety, with all its details, sarcasm, events, disappointments, and victories.