No. 33 was John Sandford's Rules of Prey on audiobook:
No. 34 was Mary Daheim's The Alpine Gamble:
I picked up this one at a cool used-book store in Portland. I've read her stuff before and they are fun little mysteries.
The author is from Seattle, and the stories are set in a small town outside Everett. There are many references to Washington and Oregon. The main character's friend lives in Tigard, Ore. Um... super random!