She was exposed to Japanese scenery and told her friend that she wished to visit Japan one day, a request which Coerr fulfilled during the writing of Sadako and the Thousand Paper Cranes.

He was a career diplomat, and she travelled with him to a number of countries, including foreign posts in Japan, Taiwan, Thailand, Philippines, and Brazil.

Her later works included children's books, philanthropy, and giving lectures at American universities and overseas.

[3] After Wymberly's death, she became more reclusive and stayed at private residences in Pebble Beach, California, and Henderson, Nevada.

It told the story of Sadako Sasaki, who was diagnosed with leukemia due to complications from the atomic bomb dropped on Hiroshima when she was two years old.