Since it is a 12 digit number, there are chances of mistakes in day to day life. However, ISO has introduced the check digit, using which one can identify the correctness of the ISIN number. The check digit helps in identifying the errors in previous 11 bits.
Helen Adams Keller (June 27, 1880 â June 1, 1968) was an American author, political activist, and lecturer.
Helen Keller is a biography about a girl who became deaf and blind at 19 months of age. Readers learn about her relationship with her teacher, how she learned to communicate, and how she went on to defy the odds through perseverance and the help of a dedicated teacher. Photographs support the text.