Harpers Series

1. The Parched Sea
2. Elfshadow
3. Red Magic
4. The Night Parade
5. Ring of Winter
6. Crypt of the Shadowking
7. Soldiers of Ice
8. Elfsong (Sequel to Elfshadow)
9. Crown of Fire (Sequel to Spellfire)
10. Masquerades (Sequel to Finder's Stone Trilogy(?)
11. Curse of the Shadowmage
12. The Veiled Dragon (Sequel to The Parched Sea)
13. Silver Shadows (Sequel to Elfsong)
14. Stormlight (Time of Troubles Era)

Cleric Quintet

1. Canticle
2. Sylvan Shadows
3. Night Masks
4. The Fallen Fortress
5. The Chaos Curse

Drizzt Do'Urden Series

Dark Elf Trilogy:

1. Homeland
2. Exile
3. Sojourn

Icewind Dale Trilogy

4. The Crystal Shard
5. Streams of Silver
6. The Halfling's Gem

Drizzt Novels

7. The Legacy
8. Starless Night
9. Siege of Darkness
10. Passage to Dawn
11. Shores of Dusk

Liriel Baenre Series

1. Daughter of the Drow
2. Tangled Webs

Nobles Series

1. King Pinch
2. War in Tethyr
3. Escape from Undermountain
4. Mage in the Iron Mask(Sequel to Once around the Realms, and the "Realms of ...")
5. Council of Blades

Netheril Trilogy (Arcane Age; this happened a long time ago...)

1. Sword Play
2. (crap i forgot the other two books... well, they're out.)

Druidhome Trilogy

1. Darkwalker on Moonshae
2. Black Wizards
3. Darkwell

Moonshaes Trilogy

1. The Prophet of the Moonshaes
2. The Coral Kingdom
3. The Druid Queen

Twilight Giants Trilogy

1. The Ogre's Pact
2. The Giants among us
3. The Titans of Twilight

Avatar

1. Shadowdale
2. Waterdeep
3. Tantras
4. Prince of Lies

Shadow of the Avatar

1. Shadows of Doom
2. Cloak of Shadows
3. All Shadows fled

Realms Anthologies

1. Realms of Valor
2. Realms of Infamy
3. Realms of Magic
4. Realms of the Underdark
5. Realms of the Arcane

Maztica Trilogy

1. Ironhelm
2. Viperhand
3. The Feathered Dragon

Heroes of Phlan Trilogy

1. Pool of Radiance
2. Pools of Darkness
3. Pool of Twilight

Standalone Novels (They all have sequels, indicated.)

1. Spellfire (Sequel: Crown of Fire)
2. Once around the Realms(Sequel: Realms of the ... books, then Mage in the Iron Mask)
3. Elminster:Making of a Mage(no sequel.. well, it's Elminster's beginnings.)

Finder's Stone Trilogy

1. Azure Bonds
2. Wyvern's spur
3. Song of saurials