Need to know required books for 1st semester in Ryerson

ECN 104 Introductory Microeconomics
PLG 100 Intro to Urban and Regional Planning
PLG 120 Understanding the Planning Process
POL 122 Local Government in Canada
PSY 105 Perspectives of Psychology

Does anyone know the required reading materials for these courses? i want to know now ahead of time so I can get a good deal for them.

btw what does "antirequisite course" mean?

I would personally wait until you actually have the classes. Some teachers use different versions than others.