I am constantly on the hunt for nonfiction science books that don't read like a textbook, and this book fit the bill.  Dr. Widder's passion for her work is made clear in this book as she weaves in a plethora of knowledge regarding the deep sea and bioluminescence into her memoir.  Her adventures and her science drew me in and I particularly delighted over her giant squid research.  Some of the science parts felt slightly above a non-academic reader's level, however, it remained a fascinating and inspiring read if one is willing to put in the time