| The Trade Pact Universe series | |||
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| In the company of Others | #1 A Thousand Words for Stranger | #2 Ties of Power | #3 To Trade the Stars |
| Web Shifters series | |||
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| #1 Beholder`s Eye | #2 Changing Vision | #3 Hidden in Sight | |
| Species Imperative series | |||
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| #1 Survival | #2 Migration | #3 Regeneration | |
| Stratification series | |||
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| #1 Reap the Wild Wind | #2 Riders of the Storm | #3 Rift in the Sky | |