i went to purchase dd harry potter 5 and saw it was free through prime so i have took the one onth trial and popped a reminder in my phone to cancel it. Anyway didi mis read or is it really only one book a month? or is it one book at a time? Dd will probs take the month to read it ansd i wouldnt have minded loaning something myself for free but im gathering i cant? can someone clarify ?