[DiapDealer]

Infodumps (sometimes referred to as "world-building").
Having no ending (or only one ending for every three to four books).
Unpronounceable names with apostrophes in the middle of them.
Elves. Orcs. Dragons.
No profanity.
All profanity.
No sex.
All sex.
Enigmatic sages who say they don't have time to explain everything (while they're all traveling on horseback by day and lounging around the campfire by night).
Political subtext that's about as subtle as an ice-pick through the eye.
Social subtext that's about as subtle as an ice-pick through the eye.
Quantum mechanics applied to relationships.
Horrible attempts at diversions from the author's plan to "sixth-sense" the hell out of me.
The author trying to "sixth sense" the hell out of me.
Books that exist for no other reason than to set up events in later books.
Unicorns.