'Watchman' becomes HarperCollins' fastest seller at 1.1M copies

• Go Set a Watchman -- Harper Lee's sequel to To Kill a Mockingbird -- has sold 1.1M copies including preorders in its first week, publisher HarperCollins (NWS +0.8%, NWSA +0.4%) says.
• That makes it the fastest-selling book in HarperCollins' history, but no Harry Potter (8.3M copies sold for Harry Potter and the Deathly Hallows in 24 hours).
• The publisher is increasing the print run to 3.3M copies from an initial 2M.
• Previously: Barnes & Noble riding high off new Harper Lee book (Jul. 15 2015)
• Previously: New Harper Lee book sales passing records (Jul. 14 2015)
• Previously: News Corp. expectations high for new Harper Lee book (Jul. 09 2015)