I not a programmer. i want to build awesome game fps. but i don’t understand how visual script connecting ans work together. is have any book for this? i just can’t start if don’t have some course basic.
Is it Blueprints you are looking for? You can start by watching the tutorials from Epic’s Youtube channel.
There are some famous community contributors that uploads tutorials, too.
Ex.: Tesla: Tesla Dev - YouTube
You can, also, read the free books available by Kitatus Studios:
http://kitatus.co.uk/free-content/outdated-master-the-art-of-unreal-engine-4-blueprints-book-1/
http://kitatus.co.uk/free-content/outdated-master-the-art-of-unreal-engine-4-blueprints-book-2/
There are some books available at Amazon for you to buy, too. Search everywhere with the Unreal Engine Blueprints tag and you will find lots of stuff.