Pasadena City College students are the top users in the entire country of a free online textbook resource called OpenStax. At PCC, over 46,000 students are using a free OpenStax textbook instead of the print editions, leading to an estimated savings of $4.2 million. OpenStax, a nonprofit based at Rice University in Texas, said PCC topped the list of schools nationwide where students take advantage of the free textbook technology for the 2017-2018 academic year. OpenStax textbooks are in use at 48 percent of colleges and universities in the U.S....