The concern is that if the euro zone unraveled, the Gateshead facility could be overwhelmed with requests from former euro-zone countries to print their national currencies, the person said.

WSJ: Banks Prep for Life After Euro

For example, upon learning that there was not a single complete edition of the Talmud in Germany, General Joseph McNarney, commander of the American zone of Occupied Germany, undertook an effort to print a Talmud for survivors.

WHITEHOUSE: Browse White House visitor logs

Investors with one eye on the euro-zone crisis are aware that the firm has a proven ability to design, print and deliver brand new currencies against a tight deadline.

ECONOMIST: The business of printing money thrives on financial crises

She has been harangued by world leaders, attacked in print and lampooned on magazine covers for saying "nein" to the pooling of euro-zone debt while focusing instead on long-term reforms.

WSJ: France Is Biggest Obstacle to Solution

The three-day trade show includes 1, 500 exhibitors and more than 500 authors, plus a digital book zone that will no-doubt be a popular hub for readers wondering about iPad and the future of print media.

FORBES: Barbara Streisand to Headline Book Expo