"The Face of the Unknown is a Star Trek: The Original Series novel by Christopher L. Bennett, and was published on 27 December 2016."@en . . . "Yes"@en . "The Face of the Unknown"@en . "The Face of the Unknown is a Star Trek: The Original Series novel by Christopher L. Bennett, and was published on 27 December 2016."@en . . "novels"@en . . . . "Unestablished"@en . . . . . "novel"@en . "Headlong Flight"@en . "The Face of the Unknown"@en . . . . . . . . "2269"^^ . "--12-27"^^ . "--12-27"^^ . . . "ISBN 9781501132421 , ISBN 9781501132438"@en . "Time Lock"@en . . "Shield of the Gods"@en . "Purgatory's Key"@en . . "Mid-2269"@en . "1501132423"^^ . . . . "ISBN 9781501132438"@en . . "36000.0"^^ . "5361.7"^^ . . "Star Trek novels"@en . . "The Hall of Heroes"@en . . . . . . . "Star Trek: Legacies: Purgatory's Key"@en . . . "9781508234340"^^ . . . . "352"^^ . .