This month's management briefing rounds up the latest major concept cars from the leading international auto shows: Geneva, March 2005; Detroit, January 2005; and Paris, September 2004. Authors Chris Wright and Tony Lewis have been manning the shows for just-auto to bring you nearly forty car profiles with pictures of everything weird and wonderful from the leading VMs' drawing boards. From Swiss manufacturers Rinspeed's futuristic offerings to Smart's "cool & cosy" and "hot & tropic", this report presents all that's hot (and cool) in concept world.