|Publication date||11 September 2012|
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Mistystar's Omen is the second novella e-book.
When Leopardstar loses her ninth life, her longtime deputy, Mistyfoot, steps up to receive her new name—Mistystar—and lead her Clan through a troublesome time. But Mistystar is about to discover a shocking secret about RiverClan, and her leadership is plunged into crisis as soon as it begins. She struggles to uphold her duties as well as the crisis that could lead to disaster.