Luca Caioli draws on numerous exclusive testimonies to tell Messi's story: his parents and extended family; his coaches at Grandoli and Newell's Old Boys; Rjikaard and Zambrotta from Barcelona; Jorge Valdano and many others from Argentina, Manchester City's Pablo Zabaleta and ex-Chelsea defender Asier del Horno. In the final chapter Messi himself sizes up his life so far.
