>  The Crystals of Vuhran: III. Children of Orion

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>  Inca Chronicles: I. Pyramids and snakes

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>  Inca Chronicles: II. Sailors of the West

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>  The Tunnel Master: I. Red Moles

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>  The Tunnel Master: II. The lost pillars

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>  The Tunnel Master: III. Dreams of terraforming

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>  Jinn, the third race