"Children Soup for the Soul"

[TheAuldGrump]

The Reader Digest Condensed Book of Vile Darkness
The Dummy's Guide to Necromancy
Putting the Romance Back into Your Necromancy
The Sensuous Illithid
A Pop-up Guide to Yugoloths

The Auld grump

 

[LoneWolf23]

A Schoolgirl's Pop-Up guide to Tentacle Beasts

 

[jaerdaph]

Men Are From Mechanus, Women Are From Pandemonium

 

[cybertalus]

D&D Player's Handbook, 4th Edition, Copyright January 2005 by Wizards of the Coast.

Every Detail of Every Moment of My Life at Walden by Henry David Thorough

Rasputin's Guide to Hygiene

Gimli's Guide to Beard Grooming for Women

He Sees You When You're Sleeping: Why Santa Claus is Stalking You, and the Clowns and Mimes Who Help Him

Han Solo's DIY Guide to Starship Repair

 

[demiurge1138]

The Necronomicon for Dummies
I Can Summon It Myself! A Children's Guide to Conjuration
A Demon A Day: 365 Denizens of the Lower Planes

Demiurge out.

 

[Nifft]

She's Got Souls in the Diamonds of Her Shoes -- Tap Dancing for Nighthags
I'm Ogre, You're Ogre -- A Book for Humanoids who Never Felt Okay Before

-- N

 

[Kirin'Tor]

The Cania Express
"Where's My Sword?" a beginners guide to Dragonslaying
The Munchkin's Guide to Power Gaming
101 Hobbit Holes: An Erotic Tail
We're OK, You're No-K! A self-help guide for Ettins.
When will Cuthbert bring the Porckchops?
DR 1384: A Bleak Future of Aber-Toril
A Doppel-sexual's Guide to Life
Rary's Believe it or Die!
Copperfield-Wannabe! 101 Tips for Disbelieving Illusions

 

[Prince of Happiness]

The Kobold Sutra

"You're Black, I'm Wight: A Guide to Drow/Undead Relationships In the Workplace, In the Bedroom"

 

[Aust Diamondew]

Funk Master Flex's 101 Tips to Trick out your Golem
Idiot's Guide to being the BBEG
The Chronicles of Nerull
Summoning Satan: 10 Easy Steps for Starting the Appocalypse

And this one isn't original (saw it in the ELH) but I really like it:

Mind Kampf: A Brief Forray into Mind Flayer Culture

 

[Krieg]

Orcus is a big fat idiot.

Asmodean Apologetics

The Abyssal Express

When Will Yeenoghu Bring the Halfling Chops?

Dwarves are from Mars, Elves are from Venus

My Life (as told by Jubilex)

The Demogorgon Code

The Book of Erotic Fantasy

A Schoolgirl's Pop-Up guide to Tentacle Beasts

...but only the original Japanese language version.