Through the Black Hole
内容简介
A mysterious package leads 10-year-old Justin Hart to the amazing laboratory of world-famous astrophysicist Dr. Frederick Von Fritz, who has just completed a fantastic invention - the Black Hole Tr...
A mysterious package leads 10-year-old Justin Hart to the amazing laboratory of world-famous astrophysicist Dr. Frederick Von Fritz, who has just completed a fantastic invention - the Black Hole Tr...
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