Fra warhammer.com:

Within this 48-page supplement book, you will find:

History of the Badlands – A closer look at the rough, arid landscape that the Orcs & Goblin Tribes call home.

A Waaagh! Abroad – Follow in the tracks of a Nomadic Waaagh! Warboss as he loots and burns his way through the Border Princes and beyond, as well as a narrative scenario that features a classic mountain pass ambush.

Heroes of Legend – Background and rules for two infamous characters: Kiknik Toofsnatcha and Ogdruz Swampdigga.

Armies of Infamy – Rules to field two unique Orc & Goblin Armies of Infamy: Nomadic Waaagh! And Troll Hordes.