Careless errors, incorrect grammar, typos. Waste of time.
DO NOT WASTE YOUR TIME
There is a reason it is free. There are so many mistakes in just the first 3 chapters I had to write this to warn others. PLEASE don't try to learn or refresh or whatever with this download. Yo certainly don't want to learn Spanish incorrectly. Perhaps if someone literate in Spanish edits it, but certainly not with the way it is.