In my quest to further my knowledge of Data Science, I have read several books. If you are considering buying any of these, this list may be of help! I have included a subjective ranking as to how complex the material in the book is so you can decide if a book is suited to your level of experience.

Scala for Data Science by Pascal Bugnion (moderate)

Amazon Web Services in Action by Andreas Wittig and Michael Wittig (moderate)