(from ebookjapan):
The biggest enemy of mangaka is sleepiness. The topic of conversation at Yamagishi Productions are ghost tales to help you sleep. The book is filled with stories of mysterious experiences of famous mangaka such as Moto Hagio and Yumiko Ooshima, ghost stories experienced by assistants, and true scary and mysterious stories that the author has encountered in her travels and at home. The author's ghost stories are scary, but she cannot help collecting them. In addition to the title story, it includes "Ghost Tales from Readers," "Lotus Thread," "Ghost Taxi," and "Time Slip."