The Portuguese Columbus: Secret Agent Of King John II, Mascarenhas Barreto, Macmillan HB + DJ, 1992First English EditionThis text is derived from a thesis originally published in 1971-2 which examines the identity of Christopher Columbus and attempts to prove that the \"Admiral of the West Indies\" was Portuguese. A decipherment of Columbus\' cabalistic siglum is put forward as evidence.Unclipped dust-jacket in very good condition, light rubbing & wear to the edges. Small edge chip to bottom of the spine.Book in very good condition, unmarked, clean, bright & tightly bound.