The football transfer market is a multi-billion-euro business: clubs invest enormous sums to sign top players. Record transfers like Neymar's move from Barcelona to PSG for €222 million or Kylian Mbappé's transfer to PSG for €180 million demonstrate the incredible scale the haggling over professional players can reach. Player agents like Jorge Mendes also earn millions from these sometimes opaque deals. Transfer insider Christian Falk knows the secrets of the industry. His exclusive information, or that of super-insider Fabrizio Romano, spreads rapidly and often even influences potential transfers. In this book, Falk offers a unique glimpse behind the scenes of the business. The transfer market has long since become more than just a sport—it's a global business.