Looking for Beta Readers

I'm almost ready to release my new indie novel and could use some help with proof-reading / error-checking.

It's a paranormal/afterlife story with scifi/time travel elements (if that makes any sense)

Here's a trailer:

Volunteers can download various formats from:

Lethe, an Ebook by A. Sparrow

I'd very much appreciate any and all reports of errors, logical inconsistencies, etc.