Buying Stocks (and Solid Gold Submarines!)

Description

Deep-sea mining for gold and silver has triggered a chain of dangerous earthquakes, and it s up to Benji Franklin and his fantastic problem solving skills to put an end to the shakeups and save the nearby islands from disaster. Will Benji s super-smarts alone be enough to quiet the underwater tremors, or are some problems too big for even the Kid-Zillionaire?"

Themes & Topics

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