
| Ashworth, Heidi | 13 Books | 2 Series |
| Ashworth, Jenn | 6 Books | |
| Ashworth, Libby | 10 Books | 2 Series |
| Ashworth, Phyll | 3 Books | |
| Ashworth, Sherry | 9 Books | |
| Asim, Jabari | 13 Books | |
| Asimov, Isaac | 165 Books | 4 Series |
| Asimov, Janet | 16 Books | 1 Series |
| Asinof, Eliot | 4 Books | |
| Asire, Nancy | 6 Books | |
| Aska, Warabe | 3 Books | |
| Askegren, Pierce | 10 Books | 1 Series |
| Askew, Alice; Askew, Claude | 13 Books | 1 Series |
| Askew, Claire | 6 Books | 2 Series |
| Askew, Kim; Helmes, Amy | 4 Books | 1 Series |
| Askew, Rilla | 7 Books | |
| Aslam, Nadeem | 5 Books | |
| Aslan, Austin | 4 Books | 2 Series |
| Aslan, Reza | 3 Books | |
| Asmus, James | 42 Books | |
| Aspe, Pieter | 6 Books | 1 Series |
| Aspen, Jay | 25 Books | 4 Series |
| Aspen, Jessica | 37 Books | 8 Series |
| Aspenson, Carolyn Ridder | 71 Books | 9 Series |
| Aspinall, Sarah | 4 Books | |
| Aspler, Tony | 5 Books | 1 Series |
| Asprin, Robert | 38 Books | 2 Series |
| Asprin, Robert; Abbey, Lynn | 12 Books | 1 Series |
| Asprin, Robert; Del Carlo, Eric | 2 Books | 1 Series |
| Asprin, Robert; Evans, Linda | 5 Books | 1 Series |
| Asprin, Robert; Nye, Jodi Lynn | 9 Books | |
| Asquith, Nan | 22 Books | |
| Asquith, Ros | 21 Books | |
| Assadi, Hannah | 3 Books | |
| Asselin, Kristine Carlson | 5 Books | |
| Aster, Alex | 9 Books | 2 Series |
| Aster, Emily | 5 Books | |
| Aster, Kate | 24 Books | 5 Series |
| Aster, Willow | 27 Books | 4 Series |
| Aster, Willow; Pavlov, Laura | 5 Books | 1 Series |
| Astley, Judy | 22 Books | |
| Astley, Thea | 20 Books | |
| Astolfo, Catherine | 9 Books | 2 Series |
| Aston, Alexa | 110 Books | 20 Series |
| Aston, Dianna Hutts | 16 Books | |
| Aston, Elizabeth | 20 Books | 2 Series |
| Aston, Jana | 16 Books | 3 Series |
| Astor, Marie | 12 Books | 1 Series |
| Astor, Rachel | 10 Books | |
| Astrahan, Syrie A. | 2 Books | 1 Series |
| Astre, Patrick | 9 Books | 2 Series |
| Asturias, Miguel | 4 Books | |
| Asuka, Jun | 8 Books | |
| Aswany, Alaa Al | 5 Books | |
| Ata, Iasmin Omar | 3 Books | 1 Series |
| Atamanov, Michael | 22 Books | 3 Series |
| Atazadeh, Bethany | 11 Books | 3 Series |
| Athaide, Tina | 5 Books | |
| Athan, Jon | 35 Books | |
| Athanas, Verne | 4 Books | |
| Athans, Philip | 19 Books | 2 Series |
| Athens, Sheila | 3 Books | |
| Atherton, Charles | 1 Book | 1 Series |
| Atherton, Nancy | 26 Books | 1 Series |
| Athey, David | 3 Books | |
| Athey, Gini | 14 Books | 2 Series |
| Athill, Diana | 7 Books | |
| Athkins, D.E. | 6 Books | |
| Atinuke | 30 Books | 3 Series |
| Atkin, Jane | 5 Books | |
| Atkins, Ace | 34 Books | 2 Series |
| Atkins, Aimee | 3 Books | 1 Series |
| Atkins, Anne | 4 Books | |
| Atkins, Catherine | 3 Books | |
| Atkins, Charles | 11 Books | 2 Series |
| Atkins, Dani | 16 Books | |
| Atkins, Dawn | 32 Books | 1 Series |
| Atkins, Jeannine | 15 Books | |
| Atkins, Jill | 37 Books | |
| Atkins, Leo | 3 Books | 1 Series |
| Atkins, Meg Elizabeth | 8 Books | 1 Series |
| Atkins, Melanie | 33 Books | 3 Series |
| Atkins, Narelle | 9 Books | 2 Series |
| Atkins, Peter | 10 Books | |
| Atkins, Thomas | 3 Books | |
| Atkinson, Allen | 5 Books | |
| Atkinson, Cale | 15 Books | 1 Series |
| Atkinson, Deborah Turrell | 4 Books | 1 Series |
| Atkinson, Eleanor | 5 Books | |
| Atkinson, Elliee | 3 Books | 2 Series |
| Atkinson, Heather | 25 Books | 6 Series |
| Atkinson, Hugh | 4 Books | |
| Atkinson, Kate | 16 Books | 1 Series |
| Atkinson, L.P. Suzanne | 12 Books | 2 Series |
| Atkinson, M. E. | 21 Books | 2 Series |
| Atkinson, Michael | 15 Books | 1 Series |
| Atkinson, Russell | 9 Books | 1 Series |
| Atkinson, Thea | 77 Books | 9 Series |
| Atlas, Katy | 3 Books | 1 Series |
| Atlas, Lilly | 22 Books | 4 Series |
| Atlee, Gwyneth | 6 Books | 1 Series |
| Atlee, Philip | 23 Books | |
| Atley, Mark | 5 Books | 1 Series |
| Atmadja, Titin | 5 Books | 1 Series |
| Atria Books | 8 Books | |
| Atta, Dean | 4 Books | |
| Attalla, Kat | 13 Books | 2 Series |
| Attalla, Kathryn | 5 Books | |
| Attanasio, A.A. | 27 Books | 2 Series |
| Attard, Ryan | 8 Books | 2 Series |
| Atteberry, Kevan | 5 Books | |
| Attebury, Nancy Garhan | 3 Books | |
| Attenberg, Jami | 8 Books | |
| Attenborough, John | 4 Books | |
| Attinello, Lauren | 5 Books | |
| Attiwill, Ken | 10 Books | |
| Attwood, Rosie | 3 Books | 1 Series |
| Atwan, Robert | 5 Books | |
| Atwater-Rhodes, Amelia | 26 Books | 4 Series |
| Atwell, Ariel | 3 Books | 1 Series |
| Atwell, Debby | 5 Books | |
| Atwell, Sarah | 3 Books | 1 Series |
| Atwood, Kathryn | 5 Books | |
| Atwood, Leah | 32 Books | 5 Series |
| Atwood, Leah; Williams, Susette | 6 Books | 1 Series |
| Atwood, Margaret | 65 Books | 3 Series |
| Atwood, Megan | 58 Books | 5 Series |
| Atwood, Rachel | 2 Books | 1 Series |
| Atwood, Russell | 3 Books | |
| Atwood, Terry | 1 Book | 1 Series |
| Atxaga, Bernardo | 10 Books | |
| Aubert, Brigitte | 2 Books | 1 Series |
| Aubert, Rosemary | 12 Books | 1 Series |
| Aubray, Camille | 3 Books | |
| Aubrey, Brenna | 19 Books | 2 Series |
| Aubrey, D.A. | 8 Books | 1 Series |
| Aubrey, John | 7 Books | |
| Aubry, Edward | 5 Books | 1 Series |
| Auch, Mary Jane / Auch, M.J. | 38 Books | 2 Series |
| Auchincloss, Louis | 44 Books | |
| Auci, Stefania | 3 Books | 1 Series |
| Auclair, Colette | 3 Books | |
| Audemars, Pierre | 30 Books | 2 Series |
| Auden, W.H. | 5 Books | |
| Audley, Anselm | 4 Books | 1 Series |
| Aued, Tony | 8 Books | 1 Series |
| Auel, Jean M. | 7 Books | 1 Series |
| Auer, Chris | 8 Books | |
| Auer, Martin | 13 Books | |
| Auerbach, Adam | 4 Books | |
| Auerbach, Annie | 113 Books | 2 Series |
| Auerbach, Jessica | 6 Books | |
| Auerbach, Miriam | 4 Books | |
| Auerbach, Tracy | 5 Books | 1 Series |
| Augarde, Steve | 15 Books | 1 Series |
| August, Elizabeth | 39 Books | 2 Series |
| August, Isabella | 5 Books | 1 Series |
| August, John | 6 Books | 1 Series |
| August, Michael | 3 Books | |
| August, Noelle | 3 Books | 1 Series |
| Augustin, Marion | 3 Books | |
| Augustine, Donna | 33 Books | 6 Series |
| Augustine, Grace | 23 Books | 4 Series |
| Augustine, Saint | 11 Books | |
| Augustyn, Brian | 30 Books | |
| Aukes, Rachel | 26 Books | |
| Aulbach, Kathy | 3 Books | 1 Series |
| Auld, Izzy | 20 Books | 1 Series |
| Ault, Sandi | 6 Books | 1 Series |
| Ault, Thomas J. | 10 Books | 1 Series |
| Aunt Julie | 5 Books | 1 Series |
| Aureliani, Franco | 11 Books | 1 Series |
| Aurora, Belle | 13 Books | 4 Series |
| Aurora, Lexi | 7 Books | 1 Series |
| Auseon, Andrew | 6 Books | 1 Series |
| Auslander, Shalom | 3 Books | |
| Austen-Leigh, Lois | 4 Books | |
| Austen, Carrie | 12 Books | 1 Series |
| Austen, Chuck | 30 Books | |
| Austen, Jane | 11 Books | |
| Auster, Paul | 35 Books | 1 Series |
| Austin-King, Graham | 10 Books | 1 Series |
| Austin, Aime | 19 Books | 1 Series |
| Austin, Alex | 9 Books | |
| Austin, Angela Kay | 20 Books | 1 Series |
| Austin, Cassandra | 10 Books | 1 Series |
| Austin, Daphanie Ann | 7 Books | 1 Series |
| Austin, Dave | 3 Books | |
| Austin, David | 7 Books | |
| Austin, Edward | 1 Book | 1 Series |
| Austin, Emily | 9 Books | |
| Austin, H. Elizabeth | 12 Books | 2 Series |
| Austin, J.D. | 6 Books | |
| Austin, Jennifer | 5 Books | |
| Austin, Jim | 5 Books | 1 Series |
| Austin, Joel | 7 Books | 1 Series |
| Austin, K. | 5 Books | 1 Series |
| Austin, Kate | 25 Books | |
| Austin, Kay | 5 Books | |
| Austin, Lisa | 14 Books | 1 Series |
| Austin, Lori | 4 Books | 1 Series |
| Austin, Lynn / Austin, Lynn N. | 33 Books | 4 Series |
| Austin, Lynnette | 9 Books | 3 Series |
| Austin, Marilyn | 7 Books | |
| Austin, Mary Hunter | 11 Books | |
| Austin, Max | 3 Books | 1 Series |
| Austin, Mike | 9 Books | 3 Series |
| Austin, Neil | 3 Books | 1 Series |
| Austin, Nigel | 4 Books | 1 Series |
| Austin, R.G. | 10 Books | |
| Austin, Raymond | 5 Books | 1 Series |
| Austin, Richard | 24 Books | 1 Series |
| Austin, Stephanie | 11 Books | 1 Series |
| Austin, Terri L. | 11 Books | 3 Series |
| Austin, Terry | 6 Books | |
| Austin, Tia | 4 Books | 1 Series |
| Austin, Tom | 5 Books | 1 Series |
| Austin, Virginia | 4 Books | |
| Austin, Winter | 18 Books | 5 Series |
| Austinson, Rick | 5 Books | 2 Series |
| Ausubel, Ramona | 5 Books | |
| Auteur, Hillary | 3 Books | |
| Author Unknown | 1077 Books | |
| Autieri, Jerry | 11 Books | 1 Series |
| Autin, Amelia | 13 Books | 1 Series |
| Auton, Lisette | 4 Books | |
| Autrey, Clover | 28 Books | 4 Series |
| Autumn, Persephone | 32 Books | 1 Series |
| Auxier, Jonathan | 9 Books | 2 Series |
| Auzary-Luton, Sylvie | 4 Books | |
| Avachat, Aashna | 3 Books | |
| Avallone, Michael | 49 Books | 4 Series |
| Avalon, Kristi | 16 Books | 2 Series |
| Avanzato, John | 15 Books | |
| Avatar, Ari | 11 Books | 1 Series |
| Aveela, Ronesa | 19 Books | 1 Series |
| Aveline, Victoria | 10 Books | 1 Series |
| Avella, Becky | 2 Books | |
| Avera, Drew | 25 Books | 4 Series |
| Averbeck, Jim | 9 Books | |
| Averett, Edward | 6 Books | |
| Averill, Esther | 9 Books | 1 Series |
| Avery, Annaliese | 6 Books | |
| Avery, Anne | 23 Books | 2 Series |
| Avery, Ben | 31 Books | 2 Series |
| Avery, Bryan Patrick | 27 Books | 2 Series |
| Avery, Ellis | 3 Books | |
| Avery, Fiona Kai | 14 Books | |
| Avery, Gillian | 22 Books | 2 Series |
| Avery, Harold | 12 Books | |
| Avery, Joan | 5 Books | |
| Avery, Joy | 20 Books | 4 Series |
| Avery, Lara | 4 Books | |
| Avery, Lorraine | 4 Books | 1 Series |
| Avery, Marc | 3 Books | |
| Avery, Pat McGrath | 11 Books | 1 Series |
| Avery, Quinn | 15 Books | 1 Series |
| Avery, Rebecca M. | 13 Books | 2 Series |
| Avery, Richard L. | 5 Books | 1 Series |
| Avery, Tom | 5 Books | |
| Aves, Sofia | 48 Books | 6 Series |
| Avey, Bob | 5 Books | 1 Series |
| Aveyard, Victoria | 10 Books | 2 Series |
| Avi | 86 Books | 5 Series |
| Avi; Vail, Rachel | 1 Book | 1 Series |
| Avitabile, Tom | 7 Books | 2 Series |
| Avocato, Lori | 19 Books | 1 Series |
| Avon, Joy | 4 Books | 1 Series |
| Aw, Tash | 6 Books | |
| Awad, Mona | 5 Books | |
| Awan, Jashar | 9 Books | |
| Award, Aidy | 11 Books | 3 Series |
| Award, Amy | 7 Books | 1 Series |
| Awdry, Rev. W. | 278 Books | |
| Awerbuck, Diane | 3 Books | |
| Awlinson, Richard | 3 Books | 1 Series |
| Axcan, Chris | 7 Books | 2 Series |
| Axelrod-Contrada, Joan | 3 Books | |
| Axelrod, Amy | 16 Books | 1 Series |
| Axelrod, Jared; Walker, Steve | 3 Books | 1 Series |
| Axelrod, Steven | 8 Books | 1 Series |
| Axelrod, Xio | 13 Books | 3 Series |
| Axelrood, Larry | 4 Books | 1 Series |
| Axelsson, Carina | 9 Books | 1 Series |
| Axler, James | 209 Books | 13 Series |
| Axler, Leo | 4 Books | 1 Series |
| Axton, David | 3 Books | |
| Axworthy, Anni | 6 Books | |
| Ay, J. Naomi | 42 Books | 3 Series |
| Ayala-Kronos, Chris | 3 Books | |
| Ayala, Rachelle | 102 Books | 22 Series |
| Ayala, Vita | 27 Books | |
| Ayani, Jessie E. | 4 Books | 1 Series |
| Ayarbe, Heidi | 4 Books | |
| Ayasato, Keishi | 15 Books | |
| Ayatsuji, Yukito | 10 Books | |
| Ayaz, Huda | 4 Books | 1 Series |
| Ayckbourn, Alan | 12 Books | |
| Aycliffe, Jonathan | 9 Books | |
| Aydt, Deborah | 3 Books |