*seven*
Goddess,
That's what we all want. ONE book to rule them all, one book to find them. One book to bring in them and in the Nightfall, bind them.
*pauses* Darn I gotta stop watching Lord of the Rings on TBS/TNT.
Did you want a chronological order or just books about SL in general?
I can do it as follows:
"Scarred Lands Monster Books"
Creature Collection Revised
Creature Collection I (GET REVISED!)
Creature Collection II
Creature Collection III
Scarred Lands Magic books:
Relics and Rituals
Relics and Rituals II
Scarred Lands:
The Divine and the Defeated
Scarred Lands Campaign Setting: Ghelspad
Scarred Lands Campaign Setting: Termana
Strange Lands: Lost Tribes of the Scarred Lands (also considered Scarred Lands Campaign Setting: Dragon lands, Asherak and Fenrilik)
Scarred Lands DM Screen and Companion
Edge of Infinity: The Scarred Planes
Scarred Lands Gazetteer: Ghelspad
Scarred Lands Gazetteer: Termana
Mithril: City of the Golem
Hollowfaust: City of Necromancers
Shelzar: City of Sin
Hornsaw: Forest of Blood
Burok Torn: City Under Siege
Blood Sea: The Crimson Abyss
The Blood Bayou
Calastia: Throne of the Black Dragon
Player's Guide to Wizards, Bards, and Sorcerers
Player's Guide to Fighters and Barbarians
Player's Guide to Clerics and Druids
Player's Guide to Rangers and Rogues
Player's Guide to Monks and Paladins
Echoes of the Past: Slacerian Legacy
The Wise and the Wicked
Secrets and Societies
The Penumbral Pentagon
Wilderness and Wastelands: Scarred Lands Encounters
Vigil Watch: Warrens of the Ratmen
Vigil Watch: Secrets of the Assatthi.
The Adventures aka the Serpent Amphora Cycle:
Serpent in the Fold
The Serpent and the Scepter
If you want novels, you got some but honestly I didn't care for ANY of them.

The Serpent Citadel