“I’m forever grateful, forever indebted and I can’t wait to see what Season 3 has in store. I’m very excited,” she added.

It has debts of around $100bn, making it the world’s most indebted oil firm.

The 16-year-old's family added: "We are indebted to everyone involved and would like to convey our sincerest thanks."

"Above all, I am indebted to all my colleagues at Oxford whose work continues to fire our imaginations, inspire generations, and confront some of the greatest challenges facing our planet," the professor concluded.

How indebted can a novelist be to the work of other people?