Counting On Katherine by Helaine Becker

Grades 3 – 5

Counting on Katherine by Helaine Becker is a biography about Katherine Johnson, the mathematician who calculated the flight path for NASA’s first moon landing in 1969. The book starts out by telling readers about Katherine’s childhood and her lifelong love of math. It then goes on to explain how she became a mathematician when she grew up, and how she saved Apollo 13.