Rising Rapids is the first book in the Tainted Prophecy series by Rise. Russetpaw is meant to be the cat on the cover[1].
Blurb[]
Russetpaw and Cloudpaw are RiverClan's newest apprentices and want to live up to their mother, Snowstar's, legacy. However, the past hasn't been left behind after a horrific murder and the danger still lurks in the shadows where they least expect it.