sentences:  Kratman's success as an author has been explained as part of a 21st century turn towards military science fiction writers with first-hand military experience.Kratman was recruited as an author by ex-soldier and publisher Jim Baen who "recruited a batch of younger, like-minded authors from similar backgrounds"; Kratman, Michael Z. Williamson, David Drake and John Ringo.Commonalities in the works of these authors include the setting of a civilization in decline with heroes battling against conventional wisdom.