Warriors #4: Rising Storm book by Erin Hunter

The fourth book in Erin Hunter’s #1 nationally bestselling Warriors series Join the legion of fans who have made Erin Hunter’s Warriors series a bestselling phenomenon. More thrilling adventures, epic action, and fierce warrior cats await in Warriors #4: Rising Storm. Fireheart’s traitorous enemy Tigerclaw has been vanquished and exiled from ThunderClan—but Fireheart can’t shake the feeling that he is lurking in the forest, waiting for a chance to strike. In the heat of a blazing summer, Fireheart struggles to handle sinister omens, an apprentice with a shocking secret, and a devastated Clan leader who is a shell of her former self. And as the forest gets hotter and hotter, every cat braces for the coming storm…. Published By HarperCollins on 2015-03-17