This book omits the customary introduction of the other epistles by its author, and claims that Jesus is a new priest "according to the order of Melchizedek", which is interpreted as an order replacing that of the Levites.  
"Do not be carried away by all kinds of strange teaching" and "Obey your leaders and defer to them" are among the instructions given at the end of this work.  In this book, the author lacks the "time to tell of Gideon, Barak, Samson, Jephthah…David and Samuel", other than that they "did not receive what had been promised".  This book omits the customary introduction of the other epistles by its author, and claims that Jesus is a new priest "according to the order of Melchizedek", which is interpreted as an order replacing that of the Levites.  For 10 points, name this Pauline epistle to some generic Jews.
"Do not be carried away by all kinds of strange teaching" and "Obey your leaders and defer to them" are among the instructions given at the end of this work.  
Letter (or Epistle) to the {Hebrews}