Book 4: Balance DVD/Blu-ray disc

Interested in buying Book 4: Balance?

They announced the release date of Book 4 Balance on DVD/Blu-ray disc: March 10, 2015. Cover art haven't been disclosed yet.

http://www.amazon.com/Legend-Korra-Book-Balance-Blu-ray/dp/B00QT4VDSO/ref=sr_1_8?s=movies-tv&ie=UTF8&qid=1418447478&sr=1-8&keywords=legend+of+korra+book+4

You can buy that along with Book 3: Change! Fun marathon!