3.82 avg rating — 524,666 ratings

"I read through the first, I dunno, 7 or 8. Got bored. Never caught up."

4.12 avg rating — 254,118 ratings

"I'm really upset about this. I read thousands upon thousands of pages to get through the first 6, most of which were good. Then the 7th...god, the 7th. I couldn't make it past the first few chapters. What a waste!"

4.13 avg rating — 4,405,567 ratings

"This is probably the worst book I've ever finished. (I'll give it that, I did finish it.)"

3.67 avg rating — 2,881,392 ratings

"I only read this as a joke and never had any intention of reading the others. Terrible."

3.84 avg rating — 710,019 ratings

"The first 3 were great. I bought the 4th one and was disappointed to find that it was completely different."

3.68 avg rating — 7,360,849 ratings

"I read all of these, but back in my impressionable youth (2005-2008). It didn't take too long to realize how truly terrible they are."