Books and tools for thoughtful retirees
Practical guides for retirees who want to use AI, understand science, build useful projects, and think carefully about retirement income, risk, and uncertainty.
Featured book: a hedge-managed income framework for retirees who want to reduce dependence on market prediction.
Start here
This site is organized around a retiree reader, not around one narrow subject. The common thread is practical thinking: how to learn, build, explain, evaluate risk, and use modern tools without hype.
Begin with the free Zero-Delta guide if you are thinking about income, drawdowns, and sequence-of-returns risk.
Use AI to write, organize, research, build spreadsheets, and create practical projects from home.
Understand weather, climate, greenhouse gases, rainfall, and storms without political noise.
Technical work remains available for readers who want the deeper mathematical and scientific background.
Featured free guide
A short PDF introducing a hedge-managed income sleeve built around three ideas: monthly income generation, downside shielding, and a stable capital floor.
Educational content only. This is not investment, tax, legal, or fiduciary advice. Options-income funds and inverse ETFs involve risk and are not suitable for every investor.
Book library
The Practical Retiree Lab combines retirement-income education, AI productivity, science explanation, and evidence-based thinking under one audience-focused brand.
A hedge-managed income strategy designed to reduce reliance on market prediction and address sequence-of-returns risk.
Open the book page →A practical guide to using AI for writing, organizing, research, spreadsheets, book projects, and useful work from home.
Preview this project →Clear explanations of weather, climate, greenhouse gases, rainfall, and storms for readers who want science without shouting.
Visit the science series →A practical book about certainty, evidence, intellectual humility, and the courage to revise a belief when the facts require it.
Open the book page →A clear explanation of how genetic algorithms show adaptation through selection, variation, and feedback without foresight.
Open the book page →Now on Amazon
These titles broaden the site beyond finance into practical reasoning, science literacy, and computational explanation.
A short, accessible book on certainty, evidence, and the courage to be wrong. This fits the Practical Retiree Lab because retirement should be a time for clearer thinking, not rigid thinking.
A clear guide to how genetic algorithms can demonstrate adaptation without foresight. This is a good bridge between science learning, AI, and computational thinking.
Research archive
A technical book and companion page for verifying satellite areal rainfall estimates from sparse rain-gauge observations. This remains available for advanced readers, students, and researchers.
Visit the NCR Method page →The site will grow around practical retiree needs: AI worksheets, finance examples, science explainers, downloadable PDFs, calculators, and simple web tools.
Email Mark directly →About the author
Mark Morrissey is a retired professor of meteorology whose work spans atmospheric science, mathematical statistics, rainfall measurement, uncertainty, and education. His current writing focuses on helping thoughtful retirees use science, statistics, AI, and practical tools to make better decisions.
That background gives this site its unusual mix: retirement income strategy, AI productivity, climate and weather explanation, and technical research archives.