Logic Puzzles

1. Between the Screws - Nom the gnome builds an airplane using four different screws. What are they?
2. Ravensborg's Guild - find out what is the profession of the five members of Ravensborg's Guild and who is the leader, based on their statements.
3. On the Tip of the Sword - Five different swords collected by an adventurer, arranged in a horizontal row. Which is which?