Claim: The Blue Lagoon is in a trilogy.

The Blue Lagoon is a romance novel written by Henry De Vere Stacpoole and was first published by T. Fisher Unwin in 1908 . 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 novel has inspired several film adaptations , most notably The Blue Lagoon starring Brooke Shields as Emmeline and Christopher Atkins as Richard -LRB- `` Dicky '' in the book -RRB- .