"A Merlin mission"--Container. Read by the author. Unabridged. Compact disc.
Summary:
When eight-year-old Jack and his seven-year-old sister, Annie, join a group of nineteenth-century explorers aboard the H.M.S. Challenger, they learn about the ocean, solve the mystery of its fabled sea monster, and gain compassion for their fellow creatures.
Series:
Magic tree house ; #39 Osborne, Mary Pope. Magic tree house (Listening Library) ; #39.
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