Not too easy. Not too difficult.
Gower is an "ok" teacher. Make sure you study homeworks before the exam. Also, the book is pretty fun to read and teaches you more than you'll learn in class.
I learned a lot about that Tg and Tm mean. I recommend reading the book.
Hours per week:
Advice for students:
1) GO TO CLASS 2) Read the book; it's an easy read and very helpful 3) Review old homeworks before exams.