I did both titles and author last names last year and will go ahead and try those this year. I hadn't considered author first names, but I don't plan to focus on that at this point - though maybe I'll get inspired later.

Titles:
A: Assassin’s Apprentice by Robin Hobb
B: Bloody Halls by Carl Brookins
C: Crucible of Gold by Naomi Novik
D: The Dressmaker of Khair Khana : Five sisters, one remarkable family, and the woman who risked everything to keep them safe by Gayle Tzemach Lemmon
E: Emma by Jane Austen
F: Fahrenheit 451 by Ray Bradbury
G: Gaudy Night (a Lord Peter mystery) by Dorothy Sayers
H: Hexed by Kevin Hearne
I: Interview with the Vampire by Anne Rice
J:
K:
L: The Ledge: An Adventure Story of Friendship and Survival on Mount Rainier by Jim Davidson and Kevin Vaughan
M: Moonwalking with Einstein: The Art and Science of Remembering Everything by Joshua Foer
N: Neverwhere by Neil Gaiman
O: One Foot in the Grave by Jeaniene Frost
P: Pawn in Frankincense by Dorothy Dunnett
Q:
R: The Radleys by Matt Haig
S: Sense and Sensibility by Jane Austen
T: The Tiger’s Wife by Tea Obeht
U: Unbroken by Laura Hillenbrand
V: Voyager by Diana Gabaldon
W: World War Z: An Oral History of the Zombie War by Max Brooks
X:
Y:
Z: The Zombie Survival Guide: Complete Protection From the Living Dead by Max Brooks
Author's last name
A: Emma by Jane
AustenB: The Zombie Survival Guide: Complete Protection From the Living Dead by Max
BrooksC: Washington: A Life by Ron
Chernow D: Pawn in Frankincense by Dorothy
DunnettE: A Visit from the Goon Squad by Jennifer
EganF: Moonwalking with Einstein: The Art and Science of Remembering Everything by Joshua
FoerG: Neverwhere by Neil
Gaiman H: Hexed by Kevin
HearneI:
J: We Have Always Lived in the Castle by Shirley
Jackson K: 11/22/63 by Stephen
King L: Rules by Cynthia
LordM: The Night Circus by Erin
Morgenstern N: Crucible of Gold by Naomi
NovikO: The Tiger’s Wife by Tea
ObehtP: Why Read Moby-Dick? by Nathaniel
PhilbrickQ:
R: Interview with the Vampire by Anne
Rice S: Gaudy Night (a Lord Peter mystery) by Dorothy
Sayers T: The Dressmaker of Khair Khana : Five sisters, one remarkable family, and the woman who risked everything to keep them safe by Gayle
Tzemach LemmonU:
V: The Ledge: An Adventure Story of Friendship and Survival on Mount Rainier by Jim Davidson and Kevin
VaughanW: The Homecoming of Samuel Lake by Jenny
WingfieldX:
Y:
Z:
Just added books from March and was once again surprised at how many more title and author letters I got covered.
ETA: Just checked my April books and didn't add a single letter for title or author. Oh, well. Still have 8 months to go!
