What happens when a down on his luck luddite novelist is hired to ghostwrite a memoir by a math whiz tech mogul who shares his (and the author of this novel’s) name? …At close to 600 pages of dense prose Book of Numbers is not light reading. I close my NYJB review by recommending it to “readers as ambitious as it is.” — from Jewish books: Joshua Cohen’s Book of Numbers is a high tech epic Also see my New York Journal of Books review. A challenging but fun and rewarding read!