From publisher blurb:
5e NPCs: Goblins! Goblins! Goblins! brings you 18 NPCs each with their own backstory, stat block and colour art. Custom abilities and unique histories make this a colourful collection of goblin NPCs for your party to encounter.
There are over 35 pages of NPC content and while all of the characters in the book are a goblin of some sort, numerous racial variants, capabilities, motivations, and challenges (ranging from 1/2 to 12) mean your PCs will never look at goblins the same way again.