O'Reilly NOOK Manual page 166

When you first tap into the search box, you see a list of previous searches you've
launched. Tap any to launch it again.
TIP
The NOOK Store has many, many books you can download and read for free, ranging from
the classics from authors like Charles Dickens and Jane Austen to reference books and contemporary
novels. You won't find them in any one category, though. So if you're looking for free books, search
for "free books for nook" in the store and you'll pull up a massive list.
After you do a search, your results appear in a moment or two. Handle the
results list just like any subcategory list—reorder the results and change the way
they're displayed to your heart's content.
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