ADVENTURE / THRILLER. Knock Down is a classic novel from Dick Francis, one of the greatest thriller writers of all time. Jonah Dereham is a bloodstock agent who buys and sells horses for his clients. As an ex-jockey, it's the ideal quiet life - until Jonah is attacked by thugs out to sabotage his business. Unfortunately for them, Jonah's a man with a steely resolve. He's determined to find out who is trying to ruin him, and why. But staying honest is more dangerous than Jonah could have imagined. And with his horses, his business and his own life on the line, Jonah must hit back - before he's taken down for good...Packed with intrigue and hair-raising suspense, Knock Down is just one of the many blockbuster thrillers from legendary crime writer Dick Francis.