On a bustling Sydney street, an obscure Time Travel Agency welcomes patrons with a coffee, delicious pastries, and a chance to travel backwards in time without changing the present. It’s an unlikely sort of spy who goes around getting his picture in major daily newspapers and giving press interviews – all of which might be called hiding in plain sight – but when Major Hashida of the Japanese Army visited Australia in January 1941 (only 11 months before Pearl Harbour), he was here ostensibly on a kind of trade mission.