Hannah and the Horseman at the Gallows Tree

Hanna and Pete contend with ambush, murder charges, a lynch mob, a brandy-swilling dime-novelist, a revenge-seeking English vigilante, a choler outbreak, and the mystery of a fortune in gold as they try to protect twin orphans--who just happen to be the meanest, sneakiest, and dirtiest pair of siblings west of the Pecos.