Gunmetal Olympus

Shown by first publication year; this may not be reading order.

The Hades Calculus Maria Ying The Hades Calculus Maria Ying · 2024 · Gunmetal Olympus Memory of Olympus Maria Ying Memory of Olympus Maria Ying · 2025 · Gunmetal Olympus The Persephone Effect Maria Ying The Persephone Effect Maria Ying · 2026 · Gunmetal Olympus