A children’s book based on sci-fi shooterDestiny, created by the artists and writers at Bungie, will be published and available at major booksellers very soon.

Destinygot a new surge of life this week with the release ofRise of Iron,Destiny’s fall expansion and official kickoff to the game’s Year 3. Things are at a fever pitch for fans right now as they dive into the new content and prepare forthe sci-fi shooter’s latest raid.Destinycontinues to have a dedicated fan base, and it looks like Bungie is reaching out further than people’s consoles to bring the universe ofDestinyto life.

A children’s book calledD is forDestinywill be sold at major bookstores and online retailers like Amazon and Barnes & Noble starting October 4, available to fans and newcomers alike.D is for Destinyis a rhyming book that uses the fictionalscience-fantasy universe ofDestinyto go through the alphabet. Here’s the official description from the book’s publisher, Insight Editions:

From the world ofDestiny,this rhyming alphabet book takes young readers on a voyage through a universe of adventure. From Four-Armed Fallen to the Mysteries of Mercury and the Moon,D is for Destinymakes exploring the far reaches of the solar system as easy as A, B, C.

For dedicated fans,D is for Destinymay look like something they have seen before—and that’s because it is. The book, which was completely illustrated and written bythe artistsand writers at Bungie, was originally an internal Christmas gift given only to Bungie employees in December 2013.

As Bungie tells it, friends of employees starting seeing the book and asked when they could buy a copy as well. In 2014, Bungie self-publishedD is for Destinyand sold it on the company’s own online store. It is still available to purchase onBungieStore.com.

But with the publishing and distribution of Insight Editions,D is for Destinywill go from something that only fans have known about to a book that anyone shopping on Amazon or in a Barnes & Noble could find.

D is for Destinyuses words like Fallen,Cabal, and “Be Brave” to walk through the alphabet. And rhyming stanzas like this one forthe Fallen:

Their Houses are many, spread far and wide,

But when heroes take chase, they run off and hide.

Meanwhile,Destiny: Rise of Ironis available now on PS4 and Xbox One.