Kara gets a tea leaf reading in The Beijing Ghosts. You can learn to read leaves

In Chapter 11 of The Beijing Ghosts, Kara consults Grandma Moh for a tea leaf reading where she initially learns the dark secrets of the haunted mansion and its past.

You can learn how to read tea leaves: http://healing.about.com/od/tealeafreading/ht/readtealeaves.htm