Really? new o'reilly book

Making Isometric Social Real-Time Games with HTML5, CSS3, and Javascript: Amazon.co.uk: Mario Andres Pagella: Books

thoughts?

Seems like a new market that is ripe for the picking. How can we reach users in real time that is meaningful to them and at the same time builds brand loyalty.

Creating browser-based games like the zombie-survival rpg called Project Zomboid seems to be an effective way.