The fever that started in Ostia is sweeping through Rome, and Jonathan, Flavia, and Lupus are called by the Emperor to investigate. Distracted by a secret mission of his own, Jonathan finds that everything is terribly out of control.

The Enemies of Jupiter 2005, Roaring Brook Press

ISBN-13: 9781596430488

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The Enemies of Jupiter 2004, Orion Children's Books, London

ISBN-13: 9781842551646

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The Enemies of Jupiter 2004, Orion (an Imprint of The Orion Publishing Group Ltd ), London

ISBN-13: 9780752861227

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The Enemies of Jupiter 2004, Orion (an Imprint of The Orion Publishing Group Ltd ), London

ISBN-13: 9780752861210

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