Sean O'Reilly has co-edited numerous books in the Travelers' Tales series, including Danger!, Testosterone Planet, The Road Within, France, Paris, Hong Kong, and San Francisco. He lives in Peoria, AZ, with his family.

James O'Reilly has worked as a series editor on over forty Travelers' Tales titles, winning nine awards for excellence. James writes a syndicated newspaper column with Larry Habegger, "World Travel Watch," which has appeared since 1985 in major newspapers in five countries. James lives with his family in the San Francisco Bay Area.