NEW YORK -

A book about the Civil War conflict in Gettysburg has won a $50,000 prize.

Allen C. Guelzo's ``Gettysburg: The Last Invasion'' has received the inaugural Guggenheim-Lehrman Prize in Military History. The prize's sponsors made the announced Tuesday.

The award was established last year by the Harry F. Guggenheim Foundation and Lewis E. Lehrman, a businessman, former Republican candidate for governor and co-founder of the Gilder-Lehrman Institute of American History.

Among the five other finalists: ``The Guns at Last Light,'' the finale of Rick Atkinson's acclaimed World War II trilogy.