Hearts of Chaos is the second book about Camacho's Caballeros and I'm still not a fan of them. In short, the Caballero's are a southwestern US/Hispanic themed mercenary company. Seeing that the book was written in the 90's the machismo and racial stereotypes are pretty heavy handed in this one. So just keep that in mind. The story sees the Caballeros sent to a FedCom planet named Towne, where word has it that the Draconis Combine is about to invade. The natives are not happy about the Caballeros being there and so things really go down hill when the Dracs invade. I was hoping for more mech combat but most of this story was development of the Caballeros main character Cassie Suthorn. Honestly, the relationships between all of characters were a bit unbelievable and the fighting between Cassie and Wolf Girl (one of the main antagonist) was ripped straight from a John Woo movie (Hard Boiled I think). One of the weaker BT novels but not horrible, like say Far Country. Milan did one more BT novel I think with Camacho's Caballeros, so hopefully the last will end of a better note.