In reply to Dave Reeve: Just returend from nine days in the Tarn. We picked up a guidebook at Intersport in Millau just off the main roundabout. I speak french okay but my reading skills are poor, but the topo is very user friendly and verty little skills are needed in interpreting what is what.
Only thing you might want to know is that 'Goujons' in brackets next to the climb name means that there is a chain lower off.