Found in 4 comments on Hacker News
eswat · 2016-03-20 · Original thread
The book Stay a While and Listen does a good job of explaining the background behind the pitch and subsequent changes that made Diablo what it is today: http://www.amazon.com/Stay-Awhile-Listen-Blizzards-Video-Gam...
phodo · 2016-01-26 · Original thread
You might also enjoy the Blizzard book:

Stay Awhile and Listen: How Two Blizzards Unleashed Diablo and Forged a Video-Game Empire [1]

[1] http://www.amazon.com/Stay-Awhile-Listen-Blizzards-Video-Gam...

derptacos · 2015-09-08 · Original thread
Also recommend reading Stay Awhile and Listen: How Two Blizzards Unleashed Diablo and Forged a Video-Game Empire - David L. Craddock http://www.amazon.com/dp/B00G8UL474

Really interesting read, covers Diablo/Warcraft development from its humble beginnings.

Trellmor · 2015-01-27 · Original thread
There is also a book [1] about Blizzard that I really enjoyed.

[1] http://www.amazon.com/dp/B00G8UL474

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