Morningstar's Reign (book 3)

Morningshine always felt like a mess up. A fail, an unloved, unwanted piece of trash. She was pushed around, and scolded to no end.
Until Mapleshade came.
Mapleshade, her savior, her praise, her mother when she had no mother. She loved her, and cheered her on when Aquastar resented her and hated her. Mapleshade made her stronger, trained her, until she made her way up to deputyship, just as Mapleshade had promised. Then to leadership, when Mapleshade came to betray her. What will she do, will she listen to her sister, and forget the anger in her heart? Or will she follow her instincts?