Kate O'Hearn

End of Olympus

Flame of Olympus

Pegasus and the Fight for Olympus

Pegasus And The Fight For Olympus

Pegasus and the New Olympians

Pegasus and the Origins of Olympus

Pegasus and the Rise of the Titans

Rise of the Titans

Runaway

The Pegasus Complete Olympian Collection

Titans

War of the Realms (Valkyrie Book 3)