Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to put nook books on sd card [title] Download the nook reading app to your computer. [step] Install the nook software to your pc or mac computer. [substeps] Sign into your nook account using the same login information you use on your nook device.

Ending1: [title] Download nook books from nook books. [step] There are several types of nook books you can download onto your nook device, including the " super books " or " loose leaf books " [title] Store any nook books you download onto your device. Ending2: [title] Download a copy of the e-book you want to copy onto your sd card to your computer. [step] You cannot directly move files from the nook memory to the sd memory using your nook. Ending3: Locate nook books for your pc and download the tutorial of nook books for your mac. After installing the nook software on your laptop, you're ready to start installation! [title] Launch nook books. Ending4: [title] Navigate through nook books until you find one you like. [step] Save time when booting out so you can open the book at any time.

Answer format: ending1/ending2/ending3/ending4