Sentence: 1634: The Bavarian Crisis was written by Eric Flint who was influenced by Robert A. Heinlein. The book is the sequel to The Grantville Gazettes.

What structured data could we extract from this sentence?
1634: The Bavarian Crisis, author, Eric Flint; Eric Flint, influencedBy, Robert A. Heinlein; 1634: The Bavarian Crisis, precededBy, The Grantville Gazettes