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The Secret of Sigma Seven

Book #110 of Hardy Boys

The aliens are invading! No, they're not from another galaxy. They're not even from Mars. They're from Hollywood! A science fiction convention has come to Bayport, and movie director Simon Devoreaux has lost his billion-dollar baby—the film of his latest blockbuster has disappeared before his eyes. The Hardy boys are out to find the film before it’s too late!

More books from this author: Franklin W. Dixon

More books in this series: Hardy Boys