The Invasion Chronicles (Books 3 and 4)

Shadows beyond the Stars

I Am Number Four: The Lost Files: Hidden Enemy

Echoes of the Abyss

Crossing the Veil

Eclipse of Humanity

Secret of the Ocean

Opposition

Threads of Fate

First Meetings: In Ender's Universe

Moonlit Desire

Shadows of Fate

Mark of Odin: The Awakening

The Shattered Sky