Harry Potter
and the
Methods of Rationality

Novel by artificial intelligence researcher Eliezer Yudkowsky
in the magical world of J.K. Rowling
Imagine Petunia marries a university professor and not... Dursley. In this glaringly different dynamic, Harry finds himself in a supportive environment, has private tutors teaching him sciences, indulges in long and fruitful discussions with his caring father, spends countless hours nose-deep in science fiction books. At the age of 11, Harry is familiar with quantum mechanics, cognitive psychology and probability theory. But Harry is not just a prodigy, he has a mysterious Dark Side, which clearly leaves its mark on his thinking.

When book-smart Harry Potter encounters magic, he scrutinizes the ways it works and, as it often does, defies the very principle laws of physics. He applies scientific methods to understand it and bend it to his will.
David Brin
NASA advisor, scientist, science fiction writer
I wish all Potter fans to give a chance to this bigger, bolder and vastly more challenging tale.
Aaron Schwartz
Software engineer, entrepreneur, writer
While the book's title still makes me chuckle, the book itself may as well be one of the greatest books ever written.
Alexander Panchin
Science evangelist, The Enlightener Prize laureate
The world would be better, if everyone read this book. The author's writing is brilliant, the plot is amazing, the book as a whole is a testament to valid and rational thinking.
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Harry Potter and the Methods of Rationality
6 hardcover books
Non-Commercial print-on-demand.

Product details
  • Number of pages: 384 + 336 + 416 + 400 + 272 + 384
  • Chapters: 1-21, 22-37, 38-64, 65-85, 86-99, 100-122
  • Contents: 122 chapters + additional materials
  • Product Dimensions: 23 х 16 х 22 cm
  • Author: Eliezer Yudkowsky
  • Shipping: Worldwide
  • Cover: Hard cover
  • Weight: 3.2 kg
  • Paper size: A5
  • Set: 6 books
  • Ribbon: no
Why should I get these (printed) books today?
These books are not available from any publisher online or in stores (we searched!). The opportunity to own a marvelous printed copy is offered exclusively here.
Do you offer cash-on-delivery as a method of payment?
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Why are your books «printed» and not "published"?
What you are buying is not a serial issue as you would from a traditional publisher. Instead, you use our non-commercial print-on-demand service to cover the cost of printing and produce your own printed unit.
Why should I get this specific version?
This version is uniquely different from the rest:

Great collection. Eliezer Yudkowsky structured the novel into a 6-book collection with a common theme but a unique title to each.
Unique design. Book covers showcase colorful fan-art you will not find elsewhere.
Pristine quality. We print using expensive high-quality paper that you will enjoy with every touch and page flip.
Fast shipping. The book will magically appear at your door in under a week.
Extra content. This version includes author's prologue from 2018, all his commentary, commentary of translators, subject index, and all references to other pieces of literature.
Elegant typography. We use beautiful fonts, spacing and color to keep you engaged without any strain on your eyes during long reading sessions.

And one more thing...
We will not keep you waiting for your favorite novel to find its beautiful spot on your shelf.
Can I return the book if I don't like it?
We are very return-friendly. If you have a complaint about the unit you receive and decide to return it, we will print the book again at our own expense or offer you a full refund.
Table of Contents
«Harry Potter and the Methods of Rationality»
  • Prologue
  • Chapters 1-21
  • Notes
  • Subject Index

«Harry Potter and the Professor's Games»:
  • Chapters 22-37
  • ...

«Harry Potter and the Shadows of Death»:
  • Chapters 38-64
  • ...

«Hermione Granger and the Phoenix's Call»:
  • Chapters 65-85
  • ...

«Harry Potter and the Last Enemy»:
  • Chapters 86-99
  • ...

«Harry Potter and the Philosopher's Stone»:
  • Chapters 100-122
  • Notes
  • Subject Index
  • Recommended literature
A unique and wonderful gift
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Harry Potter and the Methods of Rationality©Eliezer Yudkowsky
Illustration on this page©Ian Storm Taylor
Bookends design©Ian Storm Taylor
Harry Potter world©J. K. Rowling
Covers design©phaedrus2000

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