How do you teach children to investigate a controversial claim without turning curiosity into a predetermined verdict? The Flat Earth Handbook for Parents gives Christian homeschool families a structured way to observe the world, compare competing cosmological models, and distinguish what was directly seen from what was inferred. William B. Neal combines parent-led lessons, biblical reflection, safety guidance, and practical evidence checks so families can ask difficult questions without fear, ridicule, or pressure to report a preferred result. Across ten chapters, readers learn how to: • Separate observation, inference, interpretation, evidence, and model claims before drawing a conclusion. • Plan safe, repeatable family tests involving water level, the horizon, observer height, perspective, magnification, and atmospheric conditions. • Use shadows, daylight patterns, lunar phases, eclipses, star trails, latitude, maps, route distances, navigation, and geodesy to compare predictions. • Evaluate photographs, videos, viral claims, synthetic media, primary sources, confirmation bias, and independent corroboration. • Read biblical cosmology language with attention to genre, historical setting, audience, theological purpose, and the difference between description and mechanism. • Build a long-term family inquiry practice grounded in honesty, intellectual humility, faith, safety, and respectful disagreement. • Step-by-Step Procedures, Biblical Applications, Practical Exercises, Quick Reference tables, Key Concepts, Pro Tips, chapter summaries, and takeaways turn abstract debate into supervised learning that families can repeat and review. This is not a declaration that disputed flat-earth claims are established scientific facts, a substitute for qualified science instruction, or a promise that one household activity can settle the shape of the world. It is a parent guide to testing claims carefully, comparing explanatory power, and pursuing truth with conviction and humility.