Senior Multimedia Journalist James Kukstis sits down with Marshfield's Jim Hamilton, author of "The Black Cats of Amherst", which tells the story of Hamilton's grandfather's World War I ambulance unit.

<p>Senior Multimedia Journalist James Kukstis sits down with Marshfield's Jim Hamilton, author of "The Black Cats of Amherst", which tells the story of Hamilton's grandfather's World War I ambulance unit.</p>

From the Newsroom: Wicked Local - News and Interviews from the hub towns of Eastern Mass

From the Newsroom: Wicked Local

Local News and Interviews from Wicked Local Massachusetts.

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