Sei Shōnagon
The book has about 320 entries. She also wrote lists in her diaries. There are about 164 lists. Some of the lists that were included in her diary were: "Depressing things" and "Things that arouse a fond memory of the past". Sei Shōnagon completed this book some time between 1000 and 1010 CE. Some people believe that a copy of Sei Shōnagon's book was given to Empress Sadako's daughter.