C171 Come Back Tomorrow

"In the book?" Qing'er was puzzled.

The old man's gaze upon Gao Mu had shifted dramatically from before.

"Which book?" Qing'er pressed on.

Considering he was the seller and had even offered a 20% discount, and given Qing'er's attractive appearance, Gao Mu saw no reason to conceal the truth.

"It seems to be called 'Introduction to Guzheng,'" Gao Mu said, somewhat unsure