Otter in the Outhouse

 is a book in the Animal Ark book series, written by Lucy Daniels, which was first released in a unknown date.

Summary
Mandy and James are staying by a Scottish loch, helping their friend with her otter project. But the peace is threatened by a newcomer with plans to open a watersports centre. The family of otters disappear, leaving a baby otter behind. Can Mandy and James stop the newcomer from doing more damage?