In case you do not have the textbook yet, here is the web site for the book:
http://www.ntspress.com/publications/circuits/
There is a link to look "Inside the Book" which has Chapter 1 posted as a sample, and here is the link to Chapter 1:
http://www.ntspress.com/publications/circuits/inside-the-book/sample-chapter/
Chapter 1: Problems 15, 17, 20, 23.