: Often refers to a "portable" document format or a version of a file that doesn't require a specific e-reader app to open. Safety & Legal Report

The search term "portable" often signifies a desire for accessibility—readers want to consume this story during commutes, late-night travels, or in private. Just Like Mother fits perfectly into the "subway horror" or "commuter read" category. It is fast-paced, gripping, and binge-worthy.