Sentence: These books were written in the following order - Castle, Aenir, Above the Veil, Into Battle and then The Violet Keystone.

What data can be extracted from this sentence?
Into Battle (novel), followedBy, The Violet Keystone; Above the Veil, followedBy, Into Battle (novel); Above the Veil, precededBy, Aenir; Aenir, precededBy, Castle (novel)