Sitting in the backseat of our family station wagon, my sister Beth, then six, and I were giggling like mad.
‘Stop picking on your sister,’ my dad, Alf, then 47, called out from the driver’s seat.
To keep ourselves entertained, we’d been getting Charlie, then two, to flash her toothy grin at the cars behind us.
But, with her scaly skin and yellow eyes, she wasn’t like most little sisters – she was a saltwater crocodile!
She’d first come into our lives when Dad’s friend, also named
