6TH EDITION. SALES WORLDWIDE OF PREVIOUS EDITIONS OVER 1 MILLION COPIES. STREAM OF TIME AND COUNTRY PANELS ALL UPDATED. ALSO MAPS AND CHARTS. EXTENDS ON EACH SIDE 34 FT..A UNIQUE PRESENTATION OF THE HISTORY OF THE WORLD SKILLFULLY UPDATED FROM A RARE ORIGINAL 1890 COPY IN BRITISH MUSEUM. NEVER OUT OF PRINT SINCE 1997.