Humble Bundle's Warhammer 40K Roleplay: Wrath & Glory bundle is a repeat of a previous bundle of the same name but now with extra books (and you have to buy this bundle to get those books). For $25 you get:

From previous bundle:

Warhammer 40,000 Wrath & Glory: Core Rulebook
Warhammer 40,000 Wrath & Glory: Forsaken System Player's Guide PDF
Warhammer 40,000 Wrath & Glory: Rain of Mercy PDF
Warhammer 40,000 Wrath & Glory: Gamemaster's Screen
Warhammer 40,000 Wrath & Glory: Litanies of the Lost
Warhammer 40:000 Wrath & Glory - The Graveyard Shift PDF
Warhammer 40,000 Wrath & Glory: Church of Steel PDF
Warhammer 40,000 Wrath & Glory: On The Wings of Valkyries PDF
Warhammer 40,000 Wrath & Glory: Bloody Gates
Warhammer 40,000 Wrath & Glory: Redacted Records PDF
Warhammer 40,000 Wrath & Glory: The Lord of the Spire PDF
Warhammer 40,000 Wrath & Glory: Affliction Ascendant PDF
Warhammer 40,000 Wrath & Glory: Gutshiva's Kommandos PDF
Warhammer 40,000 Wrath & Glory: The Null Hypothesis
Warhammer 40,000 Wrath & Glory: Departmento Munitorum Shotguns PDF
Warhammer 40,000 Wrath & Glory: Brass Tax PDF

New books:

Warhammer 40,000 Wrath & Glory: Space Marine 2 - Purge the Swarm ($5)
Warhammer 40,000 Wrath & Glory: Nemesis - Wretches of the Writ PDF ($3)
Warhammer 40,000 Wrath & Glory: Threat Assessment: Xenos PDF ($15)
Warhammer 40,000 Wrath & Glory: Redacted Records 2 ($20)
Warhammer 40,000 Wrath & Glory: Starter Set ($20)

All the new books are supplements not adventures so even at a big discount not planning to buy this,