Solve for X

1 Step Nine 2 Solve for X 3 We Are Everyone 4 Poison Pen 5 Ancient History 6 An Unnatural Arrangement 7 The Marchioness 8 Blood is Thicker 9 On The Line 10 Tremors 11 Internal Audit 12 The Diabolical Kind 13 All in the Family 14 Dead Clade Walking 15 Corpse de Ballet 16 The One Percent Solution 17 Ears to You 18 The Hound of the Cancer Cells 19 The Many Mouths of Aaron Colville 20 No Lack of Void 21 The Man with the Twisted Lip 22 Paint It Black 23 Art in the Blood 24 The Grand Experiment