問題：Describe a book that you believe is the most useful to you.
I believe that the most useful books for me are self-help book for a couple of reasons.
First, I typically feel more energized subsequent to reading them.
For example, when I feel depressed, I can combat these negative emotions by learning helpful tactics. In fact, they enable me to think positively, and finally, I will be able to maintain my healthy body in optimal shape.
In addtion, I could earn a lucrative salary by means of reading these books.
For instance, since this type of literature has kept my passion and energy, I can enhance mu productivity and performance while I'm working. Indeed, I could contribute more to my company.