The cover of "Corporal Cooper, is that really you?" – Recognising impersonation in the field. (PROSE: UNIT Publications)
By 2005, "Corporal Cooper, is that really you?" – Recognising impersonation in the field – product code UTE-13b – was a recent publication by UNIT. It replaced another book, Corporal Cooper's Behaving Strangely. (PROSE: UNIT Publications [+]James Goss, U.N.I.T. (BBC, 2005).)
