Gershon Ben Keren, author of Krav Maga Real World Solutions to Real World Violence and Krav Maga Tactical Survival, was at the office today and he happily signed some books for us. Want a signed copy? Follow us on Facebook facebook.com/TuttleBooks and on Twitter TuttleBooks. Comment when done and you will be entered! Winner chosen on Monday! #kravmaga #tuttlemartialarts #martialarts #signedcopy #book #signedbook