Mark Perzel talks with author David Herlihy about his book . It鈥檚 the fascinating tale of Frank Lenz, a young man who left home in Pittsburgh in 1892 to cycle around the world on a new-fangled "pneumatic safety" bike, a prototype of the modern bicycle, only to disappear mysteriously in Turkey two years into his epic journey.
David Herlihy's story of the missing 19th century bicyclist Frank Lenz
