It's more like a series of books, and they send you all the books at once to save shipping costs. But each book is locked in a box that needs a key to open. You

It's more like a series of books, and they send you all the books at once to save shipping costs. But each book is locked in a box that needs a key to open. Your subscription is for a monthly key. If you cancel your subscription do you have the right to read the remaining books?