<Li> The Bro Code, cited by Barney many times throughout the series, is a set of written rules for bros to follow, and has been published as a tie - in novel, an audiobook, an iPhone Application and an Android Application . Barney alleges it was written by Barnabus Stinson, a contemporary of George Washington and Benjamin Franklin . Many of the rules listed in this book also appear in the show's closing vanity cards in syndication . </Li> <Li> Bro on the Go, a companion to The Bro Code, released in 2009 . </Li> <Li> Bro Code for Parents: What to Expect When You're Awesome, released in 2012 . </Li> <Li> The Playbook, based on the fifth season episode of the same name, by Barney Stinson and Matt Kuhn . </Li>

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