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Incoming Resources
- Siegel, Mark, 5 worlds, book 1
- The sand warrior, Mark Siegel and Alexis Siegel ; illustrated by Xanthe Boume, Matt Rockefeller, and Boya Sun
- The cobalt prince, Mark Siegel, Alexis Siegel ; [illustrated by] Xanthe Bouma, Boya Sun, Matt Rockefeller
- Siegel, Mark, 5 worlds, bk. 2