The most books typed backwards and in their original languages using a computer with four blank keyboards and without looking at the screen is 68 (3,663,324 words, 20,680,060 characters , 24,154 pages,
266,
741 paragraphs, 516,
498 lines) and was achieved by Michele Santelia (Italia), in Campobasso, Italia, on
16 June 2009.
What a feat!