Here's what I read for this challenge:
By Title
B - The Baker Street Translation by Michael Robertson
C - Confessions of a Jane Austen Addict by Laurie Viera Rigler
D - Destiny, Rewritten by Kathryn Fitzmaurice
E - Europe on 5 Wrong Turns a Day by Doug Mack
F - A Forthcoming Wizard by Jody Lynn Nye
G - Going Clear by Lawrence Wright
H - Heaven Is For Real by Todd Burpo
I - Inheritance by Christopher Paolini
J - Just One Day by Gayle Forman
K - Keeping the Moon by Sarah Dessen
L - A Little Folly by Jude Morgan
M - Mr. Penumbra's 24-Hour Bookstore by Robin Sloan
N - The Night Circus by Erin Morgenstern
O - One for the Books by Joe Queenan
P - The Peach Keeper by Sarah Addison Allen
Q - Quiet by Susan Cain
R - The Real Jane Austen by Paula Byrne
S - Seraphina by Rachel Hartman
T - These Old Shades by Georgette Heyer
U - The Unchangeable Spots of Leopards by Kristopher Jansma
V - The Vatican Diaries by John Thavis
W - Words Spoken 'True by Ann Gabhart
X - Xingu by Edith Wharton
Y - The Year of Living Biblically by A.J. Jacobs
Z - Z: A Novel of Zelda Fitzgerald by Therese Anne Fowler
By Author's Last Name
B - Byrne, Paula (The Real Jane Austen)
C - Chiaverini, Jennifer (Mrs. Lincoln's Dressmaker)
D - Doig, Ivan (The Whistling Season)
E - Esquivel, Laura (Like Water for Chocolate)
F - Forman, Gayle (Just One Day)
G - Gabhart, Ann (Words Spoken True)
H - Hartman, Rachel (Seraphina)
I - Izzo, Kim (The Jane Austen Marriage Manual)
J - Jansma, Kristopher (The Unchangeable Spots of Leopards)
K - Kidd, Sue Monk (The Mermaid Chair)
L - Lawhead, Stephen (The Skin Map)
M - Moers, Walter (The 13 1/2 Lives of Captain Bluebear)
N - Nye, Jody Lynn (A Forthcoming Wizard)
O - O'Hara, Mary (My Friend Flicka)
P - Paolini, Christopher (Inheritance)
Q - Queenan, Joe (One for the Books)
R - Rigler, Laurie Viera (Confessions of a Jane Austen Addict)
S - Sloan, Robin (Mr. Penumbra's 24-Hour Bookstore)
T - Thavis, John (The Vatican Diaries)
U - Ursu, Anne (Breadcrumbs)
V - Vreeland, Susan (Clara and Mr. Tiffany)
W - Wright, Lawrence (Going Clear)
X - Xiaolong, Qiu (The Mao Case)
Y - Yu, Charles (How to Live Safely in a Science Fictional Universe)
Z - Zitwer, Barbara (The J.M. Barrie Ladies' Swimming Society)