Download or read book Counting on Katherine: How Katherine Johnson Saved Apollo 13 written by Helaine Becker and published by Henry Holt Books For Young Readers. This book was released on 2018-06-19 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a child, Katherine Johnson loved to count. She counted the steps on the road, the number of stars in the sky, the number of dishes and spoons she washed in the kitchen sink. Boundless, curious, and excited by calculations, young Katherine longed to know as much as she could about math, about the universe. From Katherine's early beginnings as a gifted student to her heroic accomplishments as a prominent mathematician at NASA, this is the story of a ground-breaking American icon who not only calculated the course of moon landings but, in turn, saved lives. A Christy Ottaviano Book