Product details Paperback : 272 pages ISBN-13 : 978-1408877128 Publisher : Bloomsbury Children's Books (1 Jun. 2017) Product dimensions : 18.2 x 1.8 x 12.8 cm Language: : English Mermaids Beattie, Mimi, and Zelda are enjoying a summer on land with legs when they receive a strange CRABAGRAM ordering them to return home at once. Some seriously BAD MERMAIDS are on the loose and the girls are the only ones who can stop them. If they're going to save the day, they'll need answers. And a clam car. Definitely piranha-print nail polish. Possibly not the talking seahorse.