Five thousand. That’s the population of Coolangatta, Australia. Yet someway, somehow, this tiny town has produced more surfing world champions than anywhere else in the world.

A lot of that has to do with the local wave. You may have heard of it – it’s called the Superbank. But in The Ripple Effect, we learn that the history of the Coolangatta Kids runs a whole lot deeper than the world’s most famous sandbar.