Some wonder whether Bookshop will remain a viable player in the online retail ecosystem as stores begin to reopen, and customers who turned to the site during the shutdown revert to in-store and curbside shopping. Meanwhile, Amazon, which accounts for some 70 percent of online book sales, has strengthened its position as the world’s largest online retailer. The company reported $75.5 billion in sales during its most recent fiscal quarter, a 26 percent increase from the year-ago quarter. – The New York Times