She moved to one of the boxes and began to place them on the shelf, glancing briefly over to Betsy to see how she was shelving them. (i.e. in Alphabetical order.) She followed suit with whatever was happening and quickly shelved books. Ruth started to sing again, a little ditty about a girl in a dell or something similar. The work was hard but it was fine for her. "This is not so bad," she said after a little while.