A 112 page book dedicated to both episodes of "Return to Harmony" (Discord's Episode) has been set up for pre-order in paperback form over on Amazon. The specific summary for it reads:
An adaptation of the television series that lets you revisit the habitants of Equestria and learn about the magic that friendship brings. It adapts Season 2 episodes "Return to Harmony" Parts numbered 1 and numbered 2.
Celebrate Discord in words form! Head on over here to pre-order it. Official release date July 22nd.
Thanks to Valo, Ossie, and everyone else for sending it!
