Esta pode ser a série Escape from Lost Island de Clay Coleman. São 6 livros compridos.
Alguém estava procurando por uma série de sons semelhantes em WhatsThatBook e a seguinte descrição foi publicada:
Various descriptions of the books:
"After a plane crash, seven misfit boys find themselves stranded on a subtropical island where a dark force stalks them,"
"When seven boys wash ashore on a beautiful tropical island, they must fight for survival against an enemy more fierce than they ever could have imagined."
"After their plane crashes on an undiscovered subtropical island, seven boys must fend for themselves in a deadly jungle where the only law is survival of the fittest"
"Stranded on an uncharted subtropical island, the seven boys find hope when a psychotic doctor arrives, promising to rescue them, but first they must capture one of the techno-punks for the doctor to examine."
"When two of the seven boys stranded on Lost Island are kidnapped by techno-punks, their friends attempt a daring rescue mission using a hang glider."