When twelve-year-old Malik expects a treasure hunt, he discovers the Expense Expedition Guide—an adventure that combines map-reading with real-world budgeting challenges. Armed with ten magical lantern coins, Malik and friends Arin, Faiza, and Samir trek desert dunes, jungle trails, and cenote waterways, logging every cost in a fold-out spreadsheet. From camel hires to emergency gear rentals, they learn negotiation, contingency planning, and even how to earn bonus coins by documenting rare discoveries. By pooling resources and making thoughtful choices, they reach the final checkpoint just in time to secure a commemorative compass—mastering the art of balancing expenses and the excitement of a well-funded journey.