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Fascinating background information about Krakatoa to go along with the book, "The Twenty-one Balloons used in Sonlight Core C.  "The Sound So Loud That It Circled the Earth Four Times"

Fascinating background information about Krakatoa to go along with the book, "The Twenty-one Balloons used in Sonlight Core C. "The Sound So Loud That It Circled the Earth Four Times"