"The Border Boys Across the Frontier" by Fremont B. Deering is a historical adventure novel likely written in the early 20th century. The story follows a group of young characters including Jack Merrill, Coyote Pete, and Professor Wintergreen, who embark on an expedition to investigate the Haunted Mesa in the arid regions of the American Southwest. Their journey unfolds amid a backdrop of excitement, danger, and mystery, involving elements of exploration, ancient civilizations, and the looming threat of insurrectionists. At the start of the novel, the group sets out across a challenging desert landscape, led by Coyote Pete. They prepare for what they expect to be an arduous adventure as they search for the Haunted Mesa, which is known for its intriguing legends and potential historical relics. As they traverse the rugged terrain, the boys confront nature's harshness, including a severe sandstorm and other unexpected phenomena. The scene is set for high-stakes exploration as they navigate the challenges of the desert, and tensions rise with hints of danger stemming from the political unrest in nearby Mexico. The opening lays the groundwork for a thrilling adventure filled with suspense and the possibility of discovering both treasure and danger. (This is an automatically generated summary.)