Summoners Shadow Omnibus Books 1 to 3 - D.B. King

For Bran of Ealdor, this is the one thing stopping him from becoming a member of the legendary warriors known as summoners. They are gods among men who can call monsters into battle to fight alongside them. Mages, Rangers, Beastmasters, Protectors, Hunters, and Lancers. These are the six classes of summoners.