Which novel opens and closes with the letters of Robert Walton?

Question
The Koh-i-Nor is a famous diamond – what does the name mean?
Answer
Mountain of Light

Question
What was pirate Captain Flint’s ship called
Answer
Walrus

Question
Who would take silk as part of their job?
Answer
Barrister

Question
Luke Halpin Sandy Tommy Norden Bud what 1960s TV show?
Answer
Flipper