There are plenty of books about Formula 1 races, winners and cars. But hardly anyone captured the moments behind the glamourous façade 50 years ago. When mechanics stripped mighty V12 engines in tiny garages, Niki Lauda leaned pensively against fellow driver Mike Hailwood's Citroën SM or Luca Montezemolo took a seat on one of five different garden chairs in the Ferrari pits, there was rarely a lens nearby.