Fifth book in the thrilling Crypto series.
The alarm has sounded in the Arctic. If the Crypto organisation doesn’t get the sea monsters back to safe waters, there’s a big chance that many of them will be discovered. Crypto needs Ophelia’s help. But it isn’t just Ophelia and Bernard following Dalis towards the Arctic. The aquarium boss and World Zoo are also hot on their heels on the lookout for new attractions.
This is going to be a dramatic and icy expedition, one where Ophelia uncovers hints of a new sea monster – and clues about her own family and past.