Tour civil rights sites with book as your guide
Democratic presidential candidates Barack Obama, D-Ill., (far left, white shirt) and Sen. Hillary Rodham Clinton, with former President Bill Clinton, take part in the traditional walk across the Edmund Pettus Bridge to commemorate the 42nd anniversary of the 1965 Selma to Montgomery in March in Selma, Ala. To the right of President Clinton is Rose Sanders. Rob Carr / AP file
