Claim: The Blue Lagoon is in the same trilogy as another novel.
Evidence: It is the first novel of the Blue Lagoon trilogy , which also includes The Garden of God -LRB- 1923 -RRB- and The Gates of Morning -LRB- 1925 -RRB-.
The Garden of God is a romance novel by Henry De Vere Stacpoole , first published in 1923.