officials and employees

In 2013, Americans learned that a former FBI agent turned private investigator, who disappeared in Iran in 2007, had been there on a mission for the CIA. Robert Levinson's mission was secret and the hunt to rescue him revealed the shadowlands between crime, business, espionage, and the law, where secrets are currency and betrayal is commonplace.

"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. This book brings to life the stories of Dorothy Vaughan, Mary Jackson, Katherine Johnson, and Christine Darden, four African-American women who lived through the civil rights era, the Space Race, the Cold War, and the movement for gender equality, and whose work forever changed the face of NASA and the country"--Amazon.com.

"Before John Glenn orbited 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."--Dust jacket.

"Some said it was too dangerous to fly. Others insisted the shuttle must take off. Lies, pressure, and faulty parts all played a terrible part in the explosion of the Challenger space shuttle in 1986. Through powerful narrative storytelling, follow the tales of people who experienced the tragedy firsthand. Meets Common Core standards for narrative nonfiction and exploring multiple accounts of an event"--Provided by the publisher.