Detecting Volcanic Eruptions Trudi Strain Trueit
It all started, one spring morning, with a complicated calculus problem that Beth Bryant couldn't figure out. Beth leaves the problem with three friends, getting their assurance that they'll have it figured out by early afternoon. But by two o'clock, the
© 2004 Books In Motion (Audioboek): 9781581169201
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Audioboek: 15 februari 2004