The unicorn emergency Beasts of olympus series, book 8

Summary: How will Demon, official Beast Keeper of Mount Olympus, heal a herd of sick unicorns before it's too late? Demon has just returned from a trip to Asgard when a brand-new set of disasters fall into his lap. Not only does he have a groggy volcano monster to deal with, but something seems to be wrong with the unicorns, too. Demon's only clue is a mysterious note saying "Unicorn Emergency!" left on his bed. What does it mean? And how will Demon figure out the problem and fix it before time runs out?

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