On the mermaid's route to finding the second Snow Diamond they discover that a baby polar bear and walrus have gone missing from their families and Katie and her friends vow to help find them. In gratitude, the chief walrus helps the mermaids to unravel the riddle which Mantora has devised to stall them in their quest for the next Snow Diamond.

 

This book features in the following series: Mermaid S. O. s, Mermaid Sos .

There are 96 pages in this book. This book was published 2007 by Bloomsbury Publishing PLC .

Gillian Shields was born and brought up in Yorkshire. She read english and Cambridge and then trained as an actress before teaching acting and becoming director of a London drama school. She now lives in the country, and teaches drama and English, part-time, in a local school Gillian Shields is the author of several picture books for children including Ben and Gran and the Whole, Wide, Wonderful World illustrated by Katherine McEwen and published by Macmillan in 2004 and The Starlight Baby illustrated by Elizabeth Harbour and published by Simon and Schuster in 2005. Helen Turner was born in 1980 and grew up in the North East of England. After receiving her BA Honours in Graphic Design at Nottingham Trent University in 2003, Helen found her big break illustrating the problem pages for Mizz magazine and star signs for Bliss magazine. In 2005 she started illustrating for children's educational books. Working for Oxford University Press and QED Publishing, Helen has illustrated a wide variety of interesting characters - from alien teachers and tyrannosaurus rex to children with magic socks and talking dolls! A series of books she has illustrated called Everybody Feels. by Jane Bingham, will be published by QED in September 2006.