This Tuesday, March 29, 2011 photo shows Maya Soetoro-Ng, left, and her daughter Suhaila Ng, 6, as they look at Soetoro-Ng's new book, "Ladder to the Moon," at their home in Honolulu. Soetoro-Ng, President Obama's sister, draws on memories of their mother, Ann Dunham, for her new picture book.   (AP Photo/Eugene Tanner)

Photo by: Eugene Tanner

This Tuesday, March 29, 2011 photo shows Maya Soetoro-Ng, left, and her daughter Suhaila Ng, 6, as they look at Soetoro-Ng's new book, "Ladder to the Moon," at their home in Honolulu. Soetoro-Ng, President Obama's sister, draws on memories of their mother, Ann Dunham, for her new picture book. (AP Photo/Eugene Tanner)