The Aldens chart a course for their next adventure – Australia and Antarctica!
As the children tour the famed Sydney Opera House, their next puzzle – and its key – falls right into their laps. They need to find the rightful owner of a rare Australian coin. Using their knowledge about Australia, the Aldens find the coin’s owner, but a saboteur is again hot on their heels and nearly spoils their hard work.
Next up, the Aldens travel to frigid Antarctica, where they need to return an artifact to the hut Shackleton used on his expeditions to the South Pole. The trip is a success, but when they Aldens return, they learn the identity of the person who has been trying to ruin their plans. Will the saboteur keep them from returning the seventh and final artifact.
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Dee Garretson grew up in a small town in Iowa before moving to Massachusetts to attend Tufts University. After obtaining a degree in International Relations, she worked various jobs before returning to school to study Landscape Horticulture. She worked as a landscape designer and taught landscape classes for several years before returning to writing. Garretson is the author of Wildfire Run.
Gertrude Warner (1890–1979) was born in Putnam, Connecticut. From the age of five, she dreamed of becoming an author. She wrote stories for her grandfather and each Christmas she gave him one as a gift. She went on to be a teacher for more than thirty years and was inspired to write easy and fun-to-read books for children in a time when there were few. Warner is best remembered as the author of the Boxcar Children mysteries.
Aimee Lilly is an AudioFile Earphones Award–winning narrator who has been involved in the broadcasting and radio drama field since 1989. She has read audiobooks by many bestselling authors, including Elizabeth George, Janette Oke, and Francine Rivers.
Aimee Lilly is an AudioFile Earphones Award–winning narrator who has been involved in the broadcasting and radio drama field since 1989. She has read audiobooks by many bestselling authors, including Elizabeth George, Janette Oke, and Francine Rivers.