Enter - If you can bear it - the extraordinary private world of Frank, just sixteen, and unconventional, to say the least.

'Two years after I killed Blyth I murdered my young brother Paul, for quite different and more fundamental reasons than I'd disposed of Blyth, and then a year after that I did for my young cousin Esmerelda, more or less on a whim. That's my score to date. Three. I haven't killed anybody for years, and don't intend to ever again.'

'It was just a stage I was going through.'