A misleading title is not a great way to get readers to buy your (quite obviously self-published) book.
The title suggests a thorough and extensive study on Voodoo. What you get is a quasi-academic sounding introduction that gives a brief history of the author's take on voodoo, including a warning not to attempt voodoo magic without proper initiation, followed by several chapters detailing said spells and rituals and how to perform them. Hmm.
The pages are almost half white space, the text in weirdly spaced blocks that make the book about twice the size it needs to be. Much of what I read are carbon copies of spells that are readily available and practiced within the wiccan and witch communities. The proofreading gets worse as you go through the book, as though the author tired of the task partway through. I haven't read very much at all on voodoo but I'm left with the impression that I shouldn't rely too much on what I've just read. As for the author, who are they? A bio would've helped instill a little more trust but they suspiciously prefer to remain anonymous.
I would respectfully suggest this is not the book for anyone wanting a true study on voodoo, and to spend your hard-earned pennies elsewhere.