The famous phrase “Choose Your Own Adventure” was born when Ed Packard sold his second and third books. The second, "Deadwood City," was a Western saga, and junior editor Dinah Stevenson was given the assignment to create a jacket line that would explain this unfamiliar narrative style to readers; Stevenson came up with “Choose your own adventure in the Wild West.” The phrase was adapted for the next title with the tag line, "The Third Planet from Altair: Choose your own adventure in outer space."