Sam Suber writes: “In the world of libraries, every dollar matters. As budgets tighten and the demand for new services and resources increases, resource allocation increasingly becomes a complex and high-stakes puzzle. Which projects will deliver the greatest return on investment for our patrons, and how do we fund them responsibly? Much too often, these critical decisions rely on intuition or historical spending. But what happens when you could eliminate the guesswork and use hard data to find the best combination of projects within a fixed budget? Excel Solver is an often-overlooked tool that transforms spreadsheets into a decision-making engine.”