Jamie David

"Adventure awaits as you turn the pages of this suspenseful tale set on Hawa'i's sunny shores, and in its deep dark depths.
"Johann Sebastian Humpbach is missing. The world's most popular singing whale has vanished while on his annual migration from Alaska to Hawai'i.
"Meanwhile, twelve-year-old twins Keoni and Leilani have received a big prize for their birthday. While on a birthday snorkel trip, Keoni and Leilani find a clue to Johann's mysterious disappearance. . ." Source: The book's back cover.… (plus d'informations)