The bookseller's devices and e-books business blames "lower average selling prices and lower device unit sales" for a more than 32 percent decrease in revenue during its fiscal second quarter.
Samsung puts a Nook spin on its Galaxy Tab 4, Sharp launches a smartphone with an eye-catching design, and Uber takes on Google and Amazon with an instant-delivery service.
Mahesh Veerina, president of the bookseller's Nook consumer business, says its strategy for selling Nook devices remains intact, even as the company plans to split in 2015.
The presentation will detail the companies' efforts in tablets, including their first device -- the Galaxy Tab 4 Nook -- which they discussed in June.
The bookstore operator said it will separate its retail unit from its Nook Media business.
Barnes & Noble's new e-ink e-reader costs the same ($119) as the Kindle PaperWhite, is lighter at 6.2 ounces, and has an improved lighting scheme.
The bookseller's Nook business generates $125 million for the nine-week holiday period -- a 60.5 percent decrease compared to last year.
The arrival of the Galaxy Tab 4 Nook effectively ends Barnes & Noble's ill-fated foray into hardware design. But what's in it for Samsung?
Michael Huseby, who started as CFO and was promoted to president last year, will lead the bookseller's retail, college, and Nook Media operations.
Barnes & Noble has released its Nook app for Windows 8 in 31 countries outside the US.