Impact of Diction on Mood in a Bookstore

Read the following passage from a fictional narrative:

"The old bookstore, with its creaky wooden floors and shelves teeming with books, exuded a sense of warmth that wrapped around Clara like a cozy blanket. She wandered through the aisles, her fingers grazing the spines of forgotten tales, each one whispering promises of adventure and escape. The faint scent of aged paper mingled with the aroma of freshly brewed coffee from the cafe nestled in the corner, creating an ambiance of nostalgia and tranquility."

In this excerpt, the author employs specific diction and syntax to evoke a particular mood. What impact does the author's choice of words and sentence structure have on the portrayal of the bookstore?