Lost World Puzzle 107: Need More Context to Solve

"Lost World" is ambiguous. To solve Puzzle 107, I need:

• Which "Lost World"? Book (Doyle/Crichton), Movie (1925/1960/97/98/2001), Game (Sonic, Jurassic Park, etc.), Puzzle Book, App?
• Puzzle Type: Jigsaw, Riddle, Logic Grid, Cipher, Anagram, Sliding, Maze?

Provide the source and puzzle description for a specific answer.