This Has become one of my absolute most loved textbooks for teaching abstract algebra. Actually, I do think Judson's book is really a golden normal for what a large-quality, mathematical OER textbook should be. My browser also had some challenges when browsing the Sage-relevant material on the online Edition of https://www.facebook.com/NewTechFind/posts/pfbid0gq1KhEWL4KoBUeayT27dan59SQp4x1tn2ta6TpzJ4HtxuXE1DBVDc3TjujERR8HBl