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Incoming Resources
- The sand warrior, Mark Siegel and Alexis Siegel ; illustrated by Xanthe Boume, Matt Rockefeller, and Boya Sun
- Siegel, Mark, 5 worlds, book 1
- 5 worlds, Mark Siegel, Alexis Siegel ; Xanthe Bouma, Matt Rockefeller, Boya Sun, Book 5
- The amber anthem, Mark Siegel, Alexis Siegel ; Xanthe Bouma, Matt Rockefeller, Boya Sun
- The cobalt prince, Mark Siegel, Alexis Siegel ; [illustrated by] Xanthe Bouma, Boya Sun, Matt Rockefeller
- The red maze, Mark Siegel, Alexis Siegel ; [illustrated by] Xanthe Bouma, Matt Rockefeller, Boya Sun
- Siegel, Mark, 5 worlds, bk. 3
- Siegel, Mark, 5 worlds, 5
- Siegel, Mark, 5 worlds, 4
- Siegel, Mark, 5 worlds, bk. 2
- 5 worlds, Mark Siegel, Alexis Siegel ; Xanthe Bouma, Matt Rockefeller, Boya Sun, Book 5
- The sand warrior, Mark Siegel and Alexis Siegel ; illustrated by Xanthe Boume, Matt Rockefeller, and Boya Sun
- The amber anthem, Mark Siegel, Alexis Siegel ; Xanthe Bouma, Matt Rockefeller, Boya Sun
- The cobalt prince, Mark Siegel, Alexis Siegel ; [illustrated by] Xanthe Bouma, Boya Sun, Matt Rockefeller
- The red maze, Mark Siegel, Alexis Siegel ; [illustrated by] Xanthe Bouma, Matt Rockefeller, Boya Sun