Related Clues:
- Prefix for friendly
- Logical lead-in
- Nature prefix
- Prefix with -logue or -gram
- Prefix meaning ''concept''
- Piedmont-born author
- -- -friendly (green)
- Prefix with tour
- ''Foucault's Pendulum'' author Umberto
- ''Green'' prefix
- ''The Name of the Rose'' novelist
- Non-polluter's prefix
- Prefix before 'tourism' or 'terrorism'
- Prefix with region
- Start for friendly