Sentence: 1634: The Galileo Affair and its sequel 1634: The Ram Rebellion were both written by Eric Flint, Virginia DeMarce, et al.

What data can be extracted from this sentence?
1634: The Ram Rebellion, author, "Eric Flint, Virginia DeMarce, et al."; 1634: The Ram Rebellion, precededBy, 1634: The Galileo Affair