The N-th iteration of the same old book you have read 5 years ago.
Now with NodeJS 6.x and nothing specific to NodeJS 6.x.
I really wonder why Packt go for this easy-money books instead of investing into real value books that are actually going to teach people unique skills that are not available within a day of blog posts or official documentation of the respectful libraries they use in their book examples.
There are many why's in the book regarding technology choice: Express, Loopback, MongoDB, MySQL.
I'll always wonder why the Node books continue to plague the tech book world with extremely MVC web-framework centric content instead of following the footsteps of the best Node book I've read - https://www.goodreads.com/book/show/1... .