5 Worlds Book 1: The Sand Warrior (English Edition)

5 Worlds Book 5: The Emerald Gate (English Edition)

5 Worlds Book 3: The Red Maze (English Edition)

5 Worlds Book 4: The Amber Anthem (English Edition)

5 Worlds Book 2: The Cobalt Prince (English Edition)

The Library of Broken Worlds (English Edition)

In Other Worlds: SF and the Human Imagination (English Edition)

Third Culture Kids: The Experience of Growing Up Among Worlds: The original, classic book on TCKs (English Edition)

When Our Worlds Collided (English Edition)

Warrior on the Mound (English Edition)

War of the Worlds Pt.1

The Worlds We Leave Behind: SHORTLISTED FOR THE YOTO CARNEGIE MEDAL FOR ILLUSTRATION (English Edition)

Different Worlds Level 2 (Cambridge English Readers)