Green D 2002 MIT Mystery Hunt

THE SPIRAL

"I'm getting so sick of my uncle's puzzles! I keep running around and around, forwards and backwards!"
Inward
  1-4    Confident
  5-11   Sedimentary agglomerate
  12-19  At any point
  20-28  Monopoly's theme
  29-34  Dolt
  35-38  She played Bailey's sister
  39-46  Without dissent
  47-50  Base
  51-54  Bo Derek flick
  55-59  Caused
  60-64  Tenet
  65-73  Jenny father James
  74-78  Traveler's portmanteau
  79-85  Canadian violin troupe
  86-94  Poison used in mysteries
  95-100 Social unconventionalist

Outward
  100-97 He passes to Warrick
  96-93  Abba follower
  92-88  Stable during vibrations
  87-85  Czech river
  84-81  Academy Award nominee for Tootsie
  80-77  Competent
  76-69  By 98.84%, a baseball Hall of Famer
  68-63  Post publisher Katherine
  62-58  "Zap gun" Buck
  57-50  Last great artist of the Renaissance, as per Baudelaire
  49-45  1985 android matinee
  44-38  Unlawful custody of chattel
  37-32  Cart pusher
  31-26  Member of Bush's Cabinet
  25-22  Gigagamma
  21-15  Religious loner
  14-9   Web browser
  8-1    Guard of Dante's third circle