How does the author use imagery in the novel, The Most Fun We Ever Had?

Examples of Imagery:

"She'd imagined married life as a kind of prolonged sleepover, a come athletic marathon where they would spend all their time in bed and eat makeshift meals and break only to spend their evenings outside on the porch, breathing smog-free rural air and befriending neighborhood cats."

“Goethe was now roaming around the yard like a recently released convict, traversing the verdant grounds with the proprietary confidence of a horticulturalist.”