By Maja Talevska Ever since Amazon took over the online space, the total market share for online sales rose from about 5% in the '90s to 12% in 2019, according to stats about online versus in-store shopping. This change has affected the way people shop for books too. Giants such as Amazon have freed the authors from traditional publishing routes and gave them the power to … [Read more...] about Guest Post: How Much do Americans Spend on Books?