Discoveries of the Great Eight
Numenera Player's Guide
The Numenera Player’s Guide has almost everything a player needs to create a character, as well as an introduction to the world of Numenera. There are some things not in the book such as weapons, armour, items, etc. This is deliberate so that the character creation process is a collaboration between the player, the GM (who uses the Numenera Corebook, and the other players.
You can read more information the Numenera Player’s Guide here.