Barnes & Noble’s Nook is a solid ereading device, but it’s hard to wholeheartedly recommend it over the less expensive and arguably superior Amazon Kindle. Still, the Nook is doing just fine and B&N reported recently that they believe it has 25% of the domestic e-book market. That works out to be a larger marketshare that B&N has in physical books although that might change as Borders is in a bit of trouble. There wasn’t any specific numbers in reference to the 25% number, but that number is in line since the Nook is the second most popular ereading device. Not that there’s anything wrong with second place.