Narwhal to the rescue! The mermaids set off on an icy adventure in the second action-packed adventure in the illustrated Sea Keeper chapter book series. The Arctic mermaids urgently need the Sea Keepers' help! Evil mermaid Effluvia is back and she has used her bad magic to melt their ice palace. If Emily, Grace, and Layla can't fix it, the animals the mermaids look after will be in danger. The Sea Keepers are determined to save the sea animal sanctuary, but Effluvia has enchanted a pod of orcas to stop them. Can a friendly narwhal help them find the magic pearl and save the ice palace? Pick up The Sea Unicorn if you are looking for: The perfect book for 2nd to 5th grade students A story with strong female protagonists that explores bravery and friendship A fun series that promotes environmentalism and other aspects of marine biology