The eighth book in the exciting Daring Adventures series!
While traveling in Germany with Mr. Jim Daring, Mark and Penny and their friend, David Curtis, are given an opportunity to visit the historic city of Freiburg, deep in the Black Forest. While here they are drawn into a deadly plot master-minded by their old foe, Hoffmann. It turns out that the devious agent is directing a scheme to buy atomic weapons smuggled out of Russia in order to sell them to Iran. When an Iranian plan lands on a field in the forest to pick up the tactical nukes, the teens are caught in the midst of a desperate fire-fight.
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