In "The Pleasures and Sorrows of Work" (2009), de Botton produced a survey of ten different jobs, including accountancy, rocket science and biscuit manufacture. The book, a piece of narrative non-fiction, includes two hundred original images and aims to unlock the beauty, interest and occasional horror of the modern world of work. After a negative review of the book by "New York Times" critic Caleb Crain, de Botton posted a scathing ad hominem attack against Crain. He later apologized for his remarks.