Misc: What are 'Finnan haddies'?

Questions

In which classic novel did Inspector Javert hunt down Jean Valjean?

Name the historic region in Europe that is partly in Belgium, France and Holland which was the scene of heavy fighting in both world wars?

Which religious prisoner wrote his autobiography Grace Abounding and also began the allegory about Christians journey to the celestial city while in prison?

What was the former name of Hawaii?

Which puppet was presented by Annette Mills?