Tien C. Lee is an Emeritus Professor of Geophysics at the University of California, Riverside, California, USA. He was educated as a geologist/geophysicist. He has published peer-reviewed articles in seismology, geoelectricity, hydrogeology, potential field, and terrestrial heat flow. He has also published two books: 'Applied Mathematics in Hydrogeology (1999)' and 'Thus I Came -- short stories that I have been privileged to relate (2017).' Since his retirement in 2009, he has engaged in writing a book about his rock collections for the general public. It is a show-and-tell book, intended to inspire storytelling, real or imaginary, about commonly available rock specimens for rock hobbyists and enthusiasts as well as aspiring geologists.