Half Blood Prince Badly done Harry/Ginny. Ginny becoming "the new Cho Chang," that being the popular girl, Quidditch ace, most desired female at Hogwarts, and the one Harry pines over like a lovesick puppy. Dumbledore being disarmed by Malfoy, killed by Snape. Malfoy outwitting Dumbledore with the Vanishing Cabinets. Ron/Hermione/Lavender love triangle was just horrid. Slughorn. He was a totally irritating character that the book would have been better off without. All of his "parties"...
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