Nov 3 (Reuters) - Houghton Mifflin Harcourt Co -
* Q3 sales fell 7 percent to $533 million
* Lowered its full year 2016 outlook for net sales and billings
* Sees FY 2016 sales $1.37 billion to $1.43 billion
* 2016 billings are now expected to be in range of $1,370 to $1,430 million.
* Net income for q3 of 2016 was $90 million, a 31 percent decrease Source text for Eikon: Further company coverage: