TF source book

Yeah so i saw this was supposed to be out like 2 weeks ago. went to 2 comic shops and neither have gotten it.
what exactly is it and does anyone know when it comes out?
what exactly is it and does anyone know when it comes out?
SEIBERTRON - Your Planet For Everything Transformers
https://www.seibertron.com/energonpub/
https://www.seibertron.com/energonpub/viewtopic.php?f=23&t=20118