Not that hard. If I was an EM and doing this event, I would have locked the doors 15 mins after the event started. If you were here good, if you weren't, there's always tomorrow. I found it silly how they were questioning everybody about the quest then realized it was a bad idea and just handed the books out to everyone. Also, I'd have more than one person hand out books. Everybody would have gotten the book (50+ people) in less than an hour time.
Also, all of Saturday's event could have been foreseen. What did you think was going to happen when you have a room full of people and you want to drag each one randomly one by one and question them, and then give them a book? It took 5-10 mins to get done with just one person. With a presence of 50+ people, you could do the math on how long it would have taken to get through all of them. Not to mention, most people have more than one account. So did they not think by making it one book per account, that once those 50 people are done with, another 50 will come on their second or third accounts to get another book?
I just hope the next event will be thought a little bit more thoroughly.