Our series on the five senses continues with smell. Katy and Tiffany visit a used book store in Rome that smells like Katy's grandparents house in Pennsylvania. Is smell the closest thing we have to time-travel? NEVER HEARD THE SHOW? Don't be afraid to start with Episode 1:OUTSET SPONSOR: Reach thousands of expats and travelers all over the world by sponsoring The Bittersweet Life. Write the at bittersweetlife@mail.com to get the conversation going. JOIN THE CONVERSATION Connect with us on Twitter, Facebook or write us @ bittersweetlife@mail.com. ©Web and show content can only be used with written permission.