Key Selling Points This coming-of-age novel follows a girl's quest to make her life more interesting after she is broken up with on the last day of high school for being too boring. High school is over, her 90 days before university start now. 90 Days of Differentexplores themes of boundaries, social media and finding yourself. This best-selling novel is now available in paperback for the first time. Author Eric Walters is a tireless presenter and speaks to over 100,000 students per year. Best-selling, award-winning author Eric Walters has published over 100 books and has been named a Member of the Order of Canada.