Jack Higgins 
Sharp Shot 

Jack Higgins, master of the modern thriller, teams up with Justin Richards, bestselling author of Dr Who, to deliver a pulse-pounding new instalment in the adventures of the teenage Chance twins…This third gripping novel about the adventures of teenage twins Rich and Jade Chance takes the action and adventure to a new calibre — then pulls the trigger…With their secret agent dad in trouble, Jade and Rich are flung into a headlong series of chases, fights and captures that leads them to the arid deserts of the Middle East. There, the pair come up against terrifying new villains and surprising allies as an assassination attempt threatens international relations and a buried secret of the first Gulf War comes explosively to light…