Shoppers forego the internet, fill Oakmont business district for ‘Small Business Saturday’

When Mystery Lovers Bookshop opened in 1990 on Oakmont’s brick-lined Allegheny River Boulevard, it didn’t contend with online shopping. There was no Amazon Prime service, no Target app, no click-n-ship from Walmart.com. But co-owner Tara Goldberg-DeLeo said the quaint bookstore, with its checkerboard floors and the smell of fresh paper