Bear Grylls' family history influences explorer's second novel

HIS more famous exploits include drinking his own urine, eating grotesque grubs and sheltering inside a dead animal’s carcass.
However, there’s more to Bear Grylls than meets the eye. After years of adventure, both in and out of the TV spotlight, more injuries than he cares to remember (including a broken back which shattered his military career), conquering Everest and toughening up celebrities and ordinary folk in extreme environments, Grylls reckons he’s not as brave as he used to be.