Popsugar Entertainment Books Mystery Books You Can Read in a Day 25 Short Thrillers and Mysteries You Can't Even Pretend You Don't Have Time to Read 2 May 2018 by Corinne Sullivan View On One Page Photo 15 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 15 The Grownup The Grownup by Gillian Flynn 64 pages Previous Next Start Slideshow Books