A one-volume encyclopedia of business. It includes over 150 best practice essays written by topic experts, hundreds of management and action checklists, book summaries, business people bios, a business glossary, a world business almanac, and more.

s+b Best Business Books 2001-2002
LibraryJournal.com - Living with volatility: Best Business Books 2002

Any book calling itself Business: The Ultimate Resource has a lot to live up to: More than two millennia worth of business history, management theory, and corporate best practices distilled into a single volume (@ Inc)
Everything a Manager Needs to Know?: The ultimate business encyclopedia--an eight-pound doorstop that attempts to simplify the harried manager's search for information and answers (@ Business Week)