Which book is this?

Mr. Penumbra's 24-hour bookstore (2012) · Robin Sloan, Robin Sloan, Ari Fliakos, Robin Sloane

Mr. Penumbra's 24 Hour Bookstore (2016) · Reader's Companions Staff

Trivia : Mr. Penumbra's 24-Hour Bookstore (2016) · Trivion Books

Conversations on Mr. Penumbra's 24-Hour Bookstore (2016) · Daily Books

Summary of Mr. Penumbra's 24-Hour Bookstore : by Robin Sloan (2020) · BookNation

Summary of Mr. Penumbra's 24-Hour Bookstore : A Novel (2019) · Whizbooks M. Pénombre, libraire ouvert jour et nuit (2014) · Robin Sloan

Summary of Mr. Penumbra's 24-Hour Bookstore by Robin Sloan (2017) · BookHabits Study Guide (2018) · SuperSummary El Sr. Penumbra y su libreria 24 horas abierta (2013) · Robin Sloan