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The Adventure Five: The Abandoned Observatory Secret
Paperback
Series: The Adventure Five, Book 16
Currently unavailable to order
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Publisher: Independently Published
Published: Sep 26 2025
Pages: 144
Weight: 0.44
Height: 0.31 Width: 6.00 Depth: 9.00
Language: English
The Adventure Five - Book 16: The Abandoned Observatory Secret
The Adventure Five return in their most scientifically thrilling mystery yet! When Emma visits her astronomy professor uncle in the Colorado mountains, the friends discover that the supposedly abandoned Starhill Observatory has been showing mysterious lights at night. Local residents whisper of ghostly phenomena and equipment operating without power.
Their investigation uncovers a decades-old conspiracy involving a brilliant astronomer's hidden research, a valuable asteroid discovery, and corrupt businessmen attempting to exploit scientific knowledge for private gain. As a rare celestial alignment approaches-one that occurs only once every twenty-two years-the five friends must decode astronomical puzzles, navigate underground tunnels, and outwit sophisticated villains to protect one of astronomy's greatest discoveries.
Set against the backdrop of the spectacular Colorado Rockies and featuring real astronomical concepts, this thrilling adventure combines mystery, science education, and moral lessons about the importance of scientific integrity. Perfect for readers aged 8-13 who love solving puzzles, learning about space, and following characters who prove that courage and friendship can triumph over greed and deception
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