Reddit mentions of Steven Universe Original Graphic Novel: Too Cool for School (1) (Steven Universe Original Graphic Novels)

There's an official graphic novel about this. Haven't read it, though.

From the graphic novel "Steven Universe: Too Cool for School".

It was a bit under $50 with tax and free shipping from Amazon. Here are the titles:

The Answer

Guide to the Crystal Gems

Too Cool for School

Steven Universe Vol. 1

Steven Universe Vol. 2

The original run of comics (by Jeremy Sorese and Coleman Engle) ran for 8 issues. They are compiled in these TPBs: Vol 1 Vol 2

There was also a Greg Universe one-shot in the same series (probably my favorite of all the comics). That's available here

The more recent series, Steven Universe and the Crystal Gems, ran for 4 issues. They aren't available in a volume yet, only individual issues. Issue 1 is here, and this is the upcoming paperback.

There's also a standalone graphic novel.

https://www.amazon.com/Steven-Universe-Original-Graphic-Novel/dp/1608867714

Here is a full list http://steven-universe.wikia.com/wiki/Steven_Universe_(comic_series)

You can find the trades for cheaper than a comic shop by going to amazon

Here for volume 1

Here for volume 2

Here is the Steven Universe & The Crystal Gems trade

Here is graphic novel 1

Here is graphic novel 2

There are also a bunch of scattered issues that will probably be collected into a trade eventually. 2 are 1-shots from the original series. And there is currently a new series that has 6 issues.

Also if you don't mind digital copies of the first two volumes you can get them here for even cheaper

There's going to be a [Graphic Novel] (http://www.amazon.com/Steven-Universe-Original-Graphic-Novel/dp/1608867714) about something like that.

http://www.amazon.com/Steven-Universe-Original-Graphic-Novel/dp/1608867714/ref=sr_1_1?ie=UTF8&qid=1462736852&sr=8-1&keywords=too+cool+for+school+steven+universe

http://www.amazon.com/gp/aw/d/1608867714/ref=mp_s_a_1_1?qid=1464580253&sr=8-1&pi=AC_SX236_SY340_QL65&keywords=too+cool+for+school+steven+universe