The World of Actor (Korean title: 배우라는 세계) by Shin Yongwook has been read or recommended by 4 Korean celebrities, including Gang Dong-won, Lee Jun-hyuk, Han Ji-min. Below, each entry shows where they mentioned it and what they said.
He joined Han Ji-min and Hong Kyung in endorsing this book. (Source: Aladin on X)
Mentioned on Instagram. (Source: fan-compiled Notion page)
Publisher Bookie presented it as an actor Hong Kyung's recommended book at a Book Day event. (Source: X)