For years she lined her bookshelves with dog-eared copies of definitive guide after definitive guide on how to live your best life. Yet one day she woke up to find that the life she dreamed of and the life she was living were not miles but continents apart. So she set out to make a change. Or, actually, to make every change.Marianne decided to finally find out if her elusive perfect life—the one without debt, anxiety, hangovers or Netflix marathons, the one where she healthily bounced around town with perfect teeth to meet the cashmere-sweater-wearing man of her dreams—lay in the pages of those books. So for a year she vowed to test a book a month, following its advice to the letter, taking the surest road she knew to a perfect Marianne.As her year-long plan turned into a demented roller coaster where everything she knew was turned upside down, she found herself confronted with a different question: Self-help can change your life, but is it for the better?