I. The name
Clue 1: The name is five, six or seven letters long.
Clue 2: The name contains no letter O.
Clue 3: The name contains no letter U.
Clue 4: The name does not begin with a vowel.
Clue 5: No letter in the name is doubled.
Clue 6: The name does not end in S or Y.
II. The page
Clue 7: The killer's chapter is neither the first to fall nor the last.
Clue 8: The killer's page is neither the first nor the last page of its chapter.
Clue 9: The killer's entry is not among the first ten or the last ten entries on its page.
Clue 10: The first entry on the killer's page begins with a consonant.
Clue 11: The page facing the killer's page has at least one entry that begins with Z.
Clue 12: The killer's page holds at least 190 entries.
III. The neighbours
Clue 13: The killer's entry is within ten entries of an entry that begins with K.
Clue 14: The killer's entry is within five entries of a name of eight or more letters.
Clue 15: The entry immediately after the killer's has at least as many letters as the killer's name.
Clue 16: The entries immediately before and immediately after the killer's both begin with consonants.
Clue 17: The entry immediately before the killer's contains no letter O.
IV. The counts
Clue 18: On the killer's page, more entries begin with M than begin with S.
Clue 19: At least five other entries on the killer's page begin with the same letter as the killer's name.
Clue 20: Fewer than nine other entries on the killer's page begin with the same two letters as the killer's name.
V. The whole book
Clue 21: The killer's name is printed more than once in the book, and the killer's entry is not the first of them.
Your opened hints are remembered on this device.