Alexis Siegel
5 Worlds Book 5: The Emerald Gate
Mark Siegel and Alexis Siegel; Illustrated by Xanthe Bouma, Matt Rockefeller andBoya Sun
5 Worlds Book 4: The Amber Anthem
Mark Siegel and Alexis Siegel; Illustrated by Xanthe Bouma, Matt Rockefeller andBoya Sun
5 Worlds Book 3: The Red Maze
Mark Siegel and Alexis Siegel; illustrated by Xanthe Bouma, Matt Rockefeller, and Boya Sun
5 Worlds Book 2: The Cobalt Prince
Mark Siegel and Alexis Siegel; illustrated by Xanthe Bouma, Matt Rockefeller, and Boya Sun