fifteen minutes past seven
Grace lost no time in putting her plan into action . As she hurried into the library she looked back , but saw no sign of David . When she reached Putnam Square she almost ran along the broad asphalt walk . It was fifteen minutes past seven by the city hall clock , and she did not wish to be late . The girls had agreed to be there by half past seven . She was almost across the square when her ear caught the sound of a low sob . Grace glanced quickly about .