Holly Takes A RiskBook - 2008
Holly must solve the puzzle of an old legend if she and the other mermaids are to stop the toxic waste leaking from a wrecked ship, threatening a family of turtles living nearby, and get back to their vital mission for Queen Neptuna.
Publisher: New York, NY : Bloomsbury U.S.A. Children's Books : Distributed to the trade by Holtzbrinck Publishers, 2008, c2006.
Edition: 1st U.S. ed.
Characteristics: 93 p. : ill., map ; 20 cm.