Ionic Bluetooth Keyboard Tablet Stand Leather Case for New Barnes & Noble Nook HD+ 9-inch Wifi (Black/ Brown)[Does not fit Nook Tablet]
This is a good choice, no complaints about the product.  It was sent to the billing address instead of the specified mailing address, and I'm not certain if that was some confusion on my part or theirs.  But the keyboard is fine; Bluetooth connected right up, and you can turn it off to save battery.  Also, it's just fastened into the case with magnets.  If you just want to read and not type, you can detach the keyboard.