The Sign of the Seahorse

Blurb

The Sign of the Seahorse is a 1992 illustrated children's book by Graeme Base. It was first published on September 15, 1992 through Harry N. Abrams Inc., and was later adapted into a film and musical. The book received a first printing of 350,000 copies and was an alternative selection of the Literary Guild and the Doubleday Book Club.
Base was inspired to write the book during a scuba diving experience in Martinique, after which point he began researching fish and started pursuing underwater photography.