Found in 1 comment on Hacker News
Intermernet · 2015-04-09 · Original thread
The Ancient Paths by Graham Robb [1]

Trigger Warning by Neil Gaiman [2]

Metamagical Themas by Douglas Hofstadter [3]

[1]: http://www.amazon.com/The-Ancient-Paths-Discovering-Celtic/d...

[2]: http://www.amazon.com/Trigger-Warning-Short-Fictions-Disturb...

[3]: http://www.amazon.com/Metamagical-Themas-Questing-Essence-Pa...

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