Jake Ransom and the Howling Sphinx: A Fast-Paced Thriller for Kids (Ages 8-12) About Battling the Skull King for Power

Jake Ransom and the Skull King's Shadow

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Crash and Burn: A Sigma Force Short Story (Kindle Single)

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Deep Fathom

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Altar of Eden

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Ice Hunt

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Excavation

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The Seventh Plague: A Sigma Force Novel (Sigma Force Novels)

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Amazonia

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Subterranean

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City of Screams: A Short Story Exclusive (Order of the Sanguines Series)

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