Mere Reality is the fourth book contained in the ebook Rationality: From AI to Zombies, by Eliezer Yudkowsky. It focuses on practical and philosophical questions related to science and the character of physical law.
Mere Reality contains six sequences of thematically connected essays, plus the stand-alone essay A Technical Explanation of Technical Explanation. These are all collected in the Rationality: From AI to Zombies ebook, but the essay names below also link to the original blog posts.
The previous book in the series is The Machine in the Ghost, and the next book is Mere Goodness.
181. Universal Fire
182. Universal Law
183. Is Reality Ugly?
186. The Second Law of Thermodynamics, and Engines of Cognition
188. Searching for Bayes-Structure