Before John Glenn orbited the earth or Neil Armstrong walked on the moon, a group of dedicated female mathematicians known as "human computers" used pencils, slide rules and adding machines to calculate the numbers that would launch rockets, and astronauts, into space. Among these problem-solvers were a group of exceptionally talented African American women, some of the brightest minds of their generation. Originally relegated to teaching math in...

"Dark, dangerous Jordan Kyle lived life on his own terms, setting his own rules and playing for high stakes. He'd moved through this world alone, and was satisfied to have it that way, until he encountered Alyssa Chandler. By day Alyssa was a cool, controlled mathematical whiz, sorting through facts and figures. By night it was a different story. At night she became a creature of beauty and passion who was more than a match for Jordan. But were Jordan's...