Celebrated children’s book author Jean Fritz, known for her biographies and history titles for young readers, will celebrate her 100th birthday on November 16. Fritz’s publisher, Putnam, is marking the occasion with a campaign to gather 100 birthday cards for the author, to send to her under the exclamation “What a Century, Jean Fritz!”

To contribute a card, please send it to:

Jean Fritz
Putnam Editorial
G.P. Putnam’s Sons
345 Hudson St.
New York, NY 10014