Abstract and Concrete Categories by Jiri Adamek, Horst Herrlich and George E Strecker
Freely available at: http://katmat.math.uni-bremen.de/acc/acc.pdf
The treatment of topics in this text is often similar to this course's, although the order of topics is different. The terminology used is not very standard.
Category Theory in Context by Emily Riehl
Freely available at: http://www.math.jhu.edu/~eriehl/context.pdf
A modern text with lots of examples.