For years Journalist Marianne Power lined her bookshelves with dog-eared copies of definitive guides on how to live your best life, dipping in and out of self-help books when she needed them most. Then, one day, she woke up to find that the life she hoped for and the life she was living were worlds apart--and she set out to make some big changes. Marianne decided to finally find out if her elusive "perfect existence"--the one without debt, anxiety,...