In this Level 3 DK Reader, the captivating story of Helen Keller unfolds. Children able to read on their own will be eager to delve in and learn more about Helen's life, from her early days as a deaf and mute infant, to those as an adult who achieved great academic success in spite of her challenges in DK Readers: Helen Keller.subjects: United States, Education, Biography, Keller, Helen, 1880-1968.