Reviews

  • "Boys are less likely than girls to read for fun so it is even more important their books are gripping from the off. This one certainly is"

    Natasha Harding, The Sun
  • "SAS hero Chris Ryan sets a cracking pace for this story of school boy Zak Darke's recruitment by a government agency"

    Love Reading
  • "Ryan draws on the same knowledge which made his series of SAS-themed books such a success and is set to follow up his previous popularity among both adult and younger readers"

    Sheffield Star
  • "The ensuing plot is well paced and exciting enough to keep even seasoned fans of the genre interested . . . Agent 21 shows a lot of promise"

    bookzone4boys.blogspot.com
  • "This one hits the ground running and does not let up until the end, and I cannot imagine even the pickiest teen reader finding anything uncool about a story concerning such a topical - and dangerous - issue"

    myshelf.com