This data consists of 50 sentence lengths from each of 8 books. The books “Disclosure” and “Rising Sun” were written by Michael Crichton, whilst the others “Four Past Midnight”, “The Dark Half”, “ Eye of the Dragon”, “The Shining”, “The Stand” and “The Tommy-Knockers” were written by Stephen King. The pages and sentences were chosen using a multistage design where the pages were selected at random, and then sentences within each page were selected at random. These data were collected by James Curran.