Explores the history of the calendar as it relates to time-keeping in general, touching on lunar and solar years, almanacs and diaries, time zones and the International Date Line, and famous dates.
History of forts and castles from prehistoric times to the 19th century, with see-through pages allowing the reader to look inside a Mycenaean citadel, a Medieval castle, a Japanese stronghold, and a U.S. Army frontier fort.
Includes an illustrated relief map and a brief description of every country in the world along with important facts and figures, flags, population information, and an economic survey for each.
Traces the history of technological breakthroughs in the field of computers, highlighting major inventions from the abacus in 3000 B.C.E. to the eBook in 1999, and includes a time line and a glossary.
Photographs and text describe the World War II Blitz on Britain, which began in 1940 when German bombers launched an attack on British Royal Air Force fighter bases, and after losing the battle, turned their focus to British towns and cities in an attempt to get the country to surrender to Germany.
A biography of the inventor who changed the world in which he lived with such revolutionary inventions as the phonograph, electric lighting, and motion pictures.
