The Rover Boys at Big Horn Ranch; Or, The Cowboys' Double Round-Up

INTRODUCTION

My Dear Boys: This book is a complete story in itself, but forms the sixth volume in a line issued under the general title, "The Second Rover Boys Series for Young Americans."

As noted in some volumes of the first series, this line was started years ago with the publication of "The Rover Boys at School," "On the Ocean," and "In t...