It details a long summer road trip taken from San Francisco to Colorado by her family and explores the relationship between Raina and her younger sister, Amara.

Raina Telgemeier submitted a storyboard/thumbnail draft to her sister three years before the novel's publication, seeking Amara's permission to tell her side of their story.

Amara provided insights on some of the vignettes and helped Raina develop a second draft.

Maya Van Wagenen, reviewing for The New York Times described the story as "[one] we have all lived [...] uncomfortable yet transcendent" and added it was "a quick read as well as a fun one.

[7] It was also named to the Young Adult Library Services Association's 2015 shortlist of Great Graphic Novels for Teens,[8] and a 2015 Association for Library Service to Children Notable Children's Book for Middle Readers.