Feat - Paired Skill Focus: Where?

[Angel Tarragon]

I've been to find this feat in Unearthed Arcana, because I thought it was in there. After sifting page by page 3 times I gave up. what book is it in and on what page? Many thanks.

 

[Technik4]

Its in Arcana Unearthed and Arcana Evolved, both alternate Player's Handbooks by Monte Cook.