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Books by James L. Chen, Adam Chen

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2 books found
The NexStar Evolution and SkyPortal User's Guide (The Patrick Moore Practical Astronomy Series)
The NexStar Evolution and SkyPortal User's Guide (The …
By: James L. Chen, Adam Chen
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The Vixen Star Book User Guide: How to Use the Star Book TEN and the Original Star Book (The Patrick Moore Practical Astronomy Series)
The Vixen Star Book User Guide: How to Use the Star Book TE…
By: James L. Chen, Adam Chen
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