I downloaded the audio version of the book The POwer by Rhonda Byrne ... it has made a tremendous difference in my moods it makes me happy all the time I listen to it in my car to and from work and it instantly lifts my mood .. it is available on iTunes for abt 9 dollars ... it truly has been the best .. makes me feel amazing I do everything she says while driving to work and have been having incredible days I listen anytime I get to feeling doubtful ... also u can listen while u sleep .. might want to ck it out