20 books • 3 series
General Phil Sheridan and the Union Cavalry
Charles Carroll and the American Revolution
Invention and Technology
Project Vanguard: The NASA History
Cross Among the Tomahawks
Ship's Boy with Magellan
Project Vanguard
St.Thomas Aaquinas and the Preaching Beggars
Cure of Ars (Vision Books)
Invention and Technology: Great Lives
Saint Isaac and the Indians
Saint Isaac and the Indians (Vision)
Exploration (Great Lives)
Aaron Burr: the Conspiracy and Years of Exile 1805-1836
Aaron Burr: the Years from Princeton to Vice President 1756-1805
Aaron Burr
The First American Revolution
Robert H. Goddard (Discovery Books (Garrad Pub.))
Vanguard
Secret of Grandfather's Diary