Another adventure for nine-year-old Secret Agent Jack Stalwart, this time on Mount Everest in Nepal, as he continues the search for his missing brother Max.

Jack Stalwart may be a top rock climber, but no amount of practise can prepare him for the most gruelling climb of all- Mount Everest. When a skull believed to be that of a yeti is stolen by an evil collector of curiosities, Jack must brave one of the most inhospitable places on earth to retrieve it…