I bought The Subtle Art of Not Giving a F*ck two weeks ago and it took me a big 3 days to read, even with work and travelling!
The book is about redefining your values, if needed, and understanding what is happiness. I'm not going to lie, I felt like I participated in creating this book because it was saying everything I've always believed in but with all the right words.
So if you're in the mood of getting inspired and spring cleaning your personal life, get that book asap.