IQ1: Did you write Noninterference and Counting Up, Counting Down?
IQ2: Did you write The Wine Dark Sea and The Gryphon’s Skull?
IQ3: Did you co-write Household Gods?
IQ1: Take a DQ.
IQ2: Take a DQ. Although I think this is the woman who published a novel about Pandora last year; and if it is, I’m frustrated, as I met this author at a book festival last Labor Day.
IQ3: I am not the immortal and much-missed Sir Terry Pratchett.
Nuts, normally I win DQs when I ask NFL questions.
IQ1: Are you both a primordial Babylonian goddess and a five-headed D&D dragon?
IQ2: Are you a monster god who was defeated by Zeus and cast down into Tartarus?
IQ3: Are you Poseidon’s son and herald, and one of Marvel’s inhumans?
Not a Turtledove fan, I take it… 
Harry Turtledove.
H N Turteltaub (who is really Harry Turtledove).
Judith Tarr. (Her co-author was Harry Turtledove.)
Closest title I can come up with for Sir Pterry is Small Gods, and it wasn’t a collaboration.
13: Husband was senator from a state east (or mostly east) of the Mississippi?
14: Husband was senator from a state north (or mostly north) of the Mason-Dixon Line?
One DQ reserved.
Previous IQs:
Is a gate named after you referred to in a major sf film? - Tannhauser, from Blade Runner
Did a notable warrior have the name of you, another earlier notable warrior, as his middle name? - William Tecumseh Sherman and the Indian chief whose name he bore
Did Richard Burton play you, a party boy turned serious cleric? - Yes, Thomas Becket
DQ:
Late husband was a Republican?
One DQ reserved.
DQ: Are you better known than your late husband?
1 DQ remaining.
I live in one of the football-is-not-a-religion-it’s-more-important-than-that states. Can’t help but have some awareness of who’s who in the NFL.
IQs:
1: I am not Tiamat.
2: I am not … damn, take a DQ. All that’s coming to mind is Titan, and that was a class of gods, not one particularly.
3: I am not Triton.
:smack: For some reason, I was thinking you wrote Good Omens.
DQs:
1: Real.
2: Female.
3: Living.
4: American.
5: Surname begins with “T”.
6: Not primarily known for the arts, but tangentially associated with a musical instrument. Not what she’s best known for, though.
7: Not a scientist or inventor.
8: Born before 1950.
9: Not considered a beauty.
10: Known in a field closely associated with politics.
11: Caucasian.
12: Widow of a U.S. Senator. Current husband is not famous.
13: Late husband was Senator of a state west of the Mississippi.
14: Late husband was Senator of a state north of the Mason-Dixon line.
15: Late husband was not a Republican.
16: Better known than late husband.
DQ:
17: ‘T’ surname comes from current husband?
DQ:
Late senator died before 2000?
IQs:
Were you an enchanter who advised King Arthur?
Were you one of the great Eagles of Middle-earth?
Were you the Antichrist in a scary movie?
IQs:
1: I am not the one they call…Tim.
2: I am not Thorondil.
3: Take a DQ.
DQs:
1: Real.
2: Female.
3: Living.
4: American.
5: Surname begins with “T”.
6: Not primarily known for the arts, but tangentially associated with a musical instrument. Not what she’s best known for, though.
7: Not a scientist or inventor.
8: Born before 1950.
9: Not considered a beauty.
10: Known in a field closely associated with politics.
11: Caucasian.
12: Widow of a U.S. Senator. Current husband is not famous.
13: Late husband was Senator of a state west of the Mississippi.
14: Late husband was Senator of a state north of the Mason-Dixon line.
15: Late husband was not a Republican.
16: Better known than late husband.
17: “T” surname is her maiden name.
18: Late husband died before 2000.
nm - double post.
DQ: Known for business?
DQs:
1: Real.
2: Female.
3: Living.
4: American.
5: Surname begins with “T”.
6: Not primarily known for the arts, but tangentially associated with a musical instrument. Not what she’s best known for, though.
7: Not a scientist or inventor.
8: Born before 1950.
9: Not considered a beauty.
10: Known in a field closely associated with politics.
11: Caucasian.
12: Widow of a U.S. Senator. Current husband is not famous.
13: Late husband was Senator of a state west of the Mississippi.
14: Late husband was Senator of a state north of the Mason-Dixon line.
15: Late husband was not a Republican.
16: Better known than late husband.
17: “T” surname is her maiden name.
18: Late husband died before 2000.
19: Not known for business.
Just a suggestion, guys - I had never heard of this woman’s late husband until I looked her up for her birthdate. She’s prominent in her own right; asking questions about the late Senator might be a waste of DQs.
IQ1: Did you invent the Chicago typewriter?
IQ2: Were you Lord Mountararat’s chief rival?
IQ3: Did you sing “What’s Your Mama’s Name”?
Got me. Take three DQs.
John Taliaferro Thompson.
Lorrd Tolloller.
Tanya Tucker.
Three DQs reserved.
Previous IQs:
Were you an enchanter who advised King Arthur? - Yes, indeed, the great and mighty… Tim
Were you one of the great Eagles of Middle-earth? - Almost; it was Thorondor (Thorondor - Tolkien Gateway). But close enough.
Were you the Antichrist in a scary movie? - Damien Thorne, in The Omen
One DQ reserved.
Hmm. Can’t think of anyone who fits the answers given so far.
I won’t ask you anything about the SEC then. 
correct, Typhon, correct
holding a DQ
IQ1: Are you lead guitarist for Soundgarden?
IQ2: Are you the substance-abusing leader of the band Days of the New?
IQ3: Were you guitarist for Yes from 1983 to 1995?