The sweet spot in the title of Amy Poeppel’s fourth novel refers to a grungy Greenwich Village bar, a beloved neighborhood fixture with battered wood floors, rickety tables and a pungent smell of beer.

Whether Orion ought to be feet- or head-up in the night sky depends on the hemisphere. When Stan, a 23-year-old student from South Australia, rides his bike through the Rocky Mountains, he marvels that the constellation is upside down.

A photograph on the pamphlet extolling the benefits of emigration features women in red swimsuits, skidding on water skis across Sydney Harbor — a jarring contrast to the bleak circumstances of a British couple named Charlotte and Henry in their mold-afflicted, too-small house in Cambridge.