The Concise Encyclopedia of Economics: Library of Economics and Liberty, "Biography of Henry George (1839-97)"

http://www.econlib.org/library/Enc/bios/George.html

This biography written by Charles Hooper clearly explains George's philosophy of "the single tax" (Land Value Tax). It also offers a critique as well as several links of his selected works.

Referenced in:
Who Wants to be a Millionaire?