Barnes and Noble have just put their entire Nook e-reader and tablet lineup on sale. This is a big deal because they rarely run promotions on their e-readers. The Nook Glowlight 4 regular price is $149.99 and can be yours today for $129.99. Their flagship Nook Glowlight 4 Plus street price is $199.99 but slashed to $179.99. The Lenovo Nook 9 is also on sale for $129, a … [Read more...] about Barnes and Noble Nook e-Readers are all on Sale