▁shown ▁using ▁skills ▁he ▁learned ▁in ▁the ▁ 2 1 ▁S AS , ▁which ▁included ▁self - def ense , ▁ev as ive ▁driving , ▁park our , ▁urban ▁surv ival , ▁and ▁w ilder ness ▁surv ival . ▁ ▁Books ▁▁▁ ▁The ▁Wor st - Case ▁Sc enario ▁Sur v ival ▁Hand book ▁by ▁Josh ua ▁P iven ▁and ▁David ▁B orgen icht ▁ ▁The ▁Wor st - Case ▁Sc enario ▁Sur v ival ▁Hand book : ▁Tra vel ▁by ▁Josh ua ▁P iven ▁and ▁David ▁B orgen icht ▁ ▁The ▁Wor st - Case ▁Sc enario ▁Sur v ival ▁Hand book : ▁Parent ing ▁by ▁Josh ua ▁P iven , ▁David ▁B orgen icht , ▁and ▁Sarah ▁Jordan ▁ ▁The ▁Wor st - Case ▁Sc enario ▁Sur v ival ▁Hand book : ▁Wed d ings ▁by ▁Josh ua ▁P iven , ▁David ▁B orgen icht , ▁and ▁Sarah ▁Jordan ▁ ▁The ▁Wor st - Case ▁Sc enario ▁Sur v ival ▁Hand book : ▁College ▁by ▁Josh ua ▁P iven , ▁David ▁B orgen icht , ▁and ▁Jenn ifer ▁Wor ick ▁ ▁The ▁Wor st - Case ▁Sc enario ▁Sur v ival ▁Hand book : ▁D ating ▁and ▁Sex ▁by ▁Josh ua ▁P iven , ▁David ▁B orgen icht , ▁and ▁Jenn ifer ▁Wor ick ▁ ▁The ▁Wor st - Case ▁Sc enario ▁Sur v ival ▁Hand book : ▁G olf ▁by ▁Josh ua ▁P iven , ▁David ▁B orgen icht , ▁and ▁James ▁Grace ▁ ▁The ▁Wor st - Case ▁Sc