'' A Living Library '' was Bonnie Sherk 's work of transforming buried urban streams and asphalted public spaces into thriving educational art gardens for communities in San Francisco and New York City .
'' A Living Library '' was Sherk 's work that consisted of transforming buried urban streams and asphalted public spaces into thriving art gardens . 
 She transformed these spaces for to build educations centers for children in communities in San Francisco and New York City .