BEATS SCHOOL:

Peter went to work for his father's company, yet the sea still beckoned, and whenever he could he went to Tasmania, where he kept his own fishing fleet. It was this that brought him to Tonga in the winter of 1966. On the way home he took a little detour and that's when he saw it: a minuscule island in the azure sea, 'Ata. The island had been inhabited once, until one dark day in 1863, when a slave ship appeared on the horizon and sailed off with the natives. Since then, 'Ata had been deserted - cursed and forgotten.

But Peter noticed something odd. Peering through his binoculars, he saw burned patches on the green cliffs. "In the tropics it's unusual for fires to start spontaneously," he told us, a half century later. Then he saw a boy. Naked. Hair down to his shoulders. This wild creature leaped from the cliffside and plunged into the water. Suddenly more boys followed, screaming at the top of their lungs. It didn't take long for the first boy to reach the boat. "My name is Stephen," he cried in perfect English. "There are six of us and we reckon we've been here 15 months."

The boys, once aboard, claimed they were students at a boarding school in Nuku'alofa, the Tongan capital. Sick of school meals, they had decided to take a fishing boat out one day, only to get caught in a storm. Likely story, Peter thought. Using his two-way radio, he called in to Nuku'alofa. "I've got six kids here," he told the operator. "Stand by," came the response. Twenty minutes ticked by. (As Peter tells this part of the story, he gets a little misty-eyed.) Finally, a very tearful operator came on the radio, and said: "You found them! These boys have been given up for dead. Funerals have been held. If it's them, this is a miracle!"

In the months that followed I tried to reconstruct as precisely as possible what had happened on 'Ata. Peter's memory turned out to be excellent. Even at the age of 90, everything he recounted was consistent with my foremost other source, Mano, 15 years old at the time and now pushing 70, who lived just a few hours' drive from him. The real Lord of the Flies, Mano told us, began in June 1965. The protagonists were six boys - Sione, Stephen, Kolo, David, Luke and Mano - all pupils at a strict Catholic boarding school in Nuku'alofa. The oldest was 16, the youngest 13, and they had one main thing in common: they were bored witless. So they came up with a plan to escape: to Fiji, some 500 miles away, or even all the way to New Zealand.

There was only one obstacle. None of them owned a boat, so they decided to "borrow" one from Mr Taniela Uhila, a fisherman they all disliked. The boys took little time to prepare for the voyage. Two sacks of bananas, a few coconuts and a small gas burner were all the supplies they packed. It didn't occur to any of them to bring a map, let alone a compass.

The boys had set up a commune with food garden, gym, a badminton court, chicken pens and a permanent fire

No one noticed the small craft leaving the harbour that evening. Skies were fair; only a mild breeze ruffled the calm sea. But that night the boys made a grave error. They fell asleep. A few hours later they awoke to water crashing down over their heads. It was dark. They hoisted the sail, which the wind promptly tore to shreds. Next to break was the rudder. "We drifted for eight days," Mano told me. "Without food. Without water." The boys tried catching fish. They managed to collect some rainwater in hollowed-out coconut shells and shared it equally between them, each taking a sip in the morning and another in the evening.

Then, on the eighth day, they spied a miracle on the horizon. A small island, to be precise. Not a tropical paradise with waving palm trees and sandy beaches, but a hulking mass of rock, jutting up more than a thousand feet out of the ocean. These days, 'Ata is considered uninhabitable. But "by the time we arrived," Captain Warner wrote in his memoirs, "the boys had set up a small commune with food garden, hollowed-out tree trunks to store rainwater, a gymnasium with curious weights, a badminton court, chicken pens and a permanent fire, all from handiwork, an old knife blade and much determination." While the boys in Lord of the Flies come to blows over the fire, those in this real-life version tended their flame so it never went out, for more than a year.

The kids agreed to work in teams of two, drawing up a strict roster for garden, kitchen and guard duty. Sometimes they quarrelled, but whenever that happened they solved it by imposing a time-out. Their days began and ended with song and prayer. Kolo fashioned a makeshift guitar from a piece of driftwood, half a coconut shell and six steel wires salvaged from their wrecked boat - an instrument Peter has kept all these years - and played it to help lift their spirits. And their spirits needed lifting. All summer long it hardly rained, driving the boys frantic with thirst. They tried constructing a raft in order to leave the island, but it fell apart in the crashing surf.

Worst of all, Stephen slipped one day, fell off a cliff and broke his leg. The other boys picked their way down after him and then helped him back up to the top. They set his leg using sticks and leaves. "Don't worry," Sione joked. "We'll do your work, while you lie there like King Taufa'ahau Tupou himself!"

They survived initially on fish, coconuts, tame birds (they drank the blood as well as eating the meat); seabird eggs were sucked dry. Later, when they got to the top of the island, they found an ancient volcanic crater, where people had lived a century before. There the boys discovered wild taro, bananas and chickens (which had been reproducing for the 100 years since the last Tongans had left).

They were finally rescued on Sunday 11 September 1966. The local physician later expressed astonishment at their muscled physiques and Stephen's perfectly healed leg. But this wasn't the end of the boys' little adventure, because, when they arrived back in Nuku'alofa police boarded Peter's boat, arrested the boys and threw them in jail. Mr Taniela Uhila, whose sailing boat the boys had "borrowed" 15 months earlier, was still furious, and he'd decided to press charges.

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