…as long as your job involves reading Chinese books, that is. Otherwise it will only get you into trouble at work.
It would have been better if the pillow was detachable, so you could take a nap behind the book cover.
You can get the Workaholic[‘s] Pillow at GeekStuff4U for approx. $62 (USD). Or you can make your own; it seems simple enough, plus you can sew or glue your pillow into a more believable book cover.