When Alex, Ricky, and Vanessa Zarate join a church mission trip to Guatemala, they expect to build homes and spread hope. But a wrong turn strands them in the wild Guatemalan highlands, far from their guide. As they fight to survive treacherous trails and dwindling supplies, they uncover a hidden cave with an ancient Mayan tablet tied to a legend of a sacred spring. Guided by cryptic symbols and pursued by a mysterious figure, the siblings must unravel the tablet's secrets before a looming storm traps them forever.

This fast-paced Young Adult adventure weaves mystery, faith, and coming-of-age themes into a thrilling tale of survival. As Alex grapples with leadership, Ricky faces his recklessness, and Vanessa finds her courage, the trio learns that true purpose often lies in the unexpected. Perfect for teen readers who love heart-pounding adventures with heart and soul, Lost in the Highlands is a story of friendship, faith, and the courage to protect what matters most.