- Robin Boyden
- Lee Bullman
- Leigh Bardugo
- Leslie Bilderback
- Levi Black
- Lexi Mire Brantman
- Lily Brett
- Lindsay Bonilla
- Lisa Belkin
- Lisa Berne
- Lisa Broderick
- Lisa Brown
- Lisa Brown Roberts
- Lisa Burns
- Lisa Feldman Barrett
- Livia Blackburne
- Liz Brownlee
- Liz Byrski
- Lizzy Barber
- Lola Berry
- Lollie Barr
- Lorenzo L. Beronilla
- Lorilynn Bauer,Ramin Ganeshram
- Lorilynn Bauer
- Lucia Berlin
- Lucinda Bruce-Gardyne
- Lyana Blount
- Lynda Barry
- Alan Berner
- Mark Burgess
- Maggie Bateson
- Mahogany L. Browne
- Maja Brekalo
- Malcolm Bradbury
- Malcolm Brown
- Malorie Blackman
- Marc Bernardin
- Marc Maron and Brendan McDonald
- Marcie Colleen; illustrated by Steve James
- Margaret Ball
- Margaret Wise Brown
- Margo Shapiro Bachman
- Margot Bloomstein
- Marie Brennan
- Marie Brenner
- Marie-Helene Bertino
- Mark Bertin
- Mark Brake
- Mark Brandon “Chopper” Read
- Mark Brandon Read
- Tony Bower-Miles
- Marsha Boulton
- Cazarus Baker
- Martha Brockenbrough
- Erin Sears Basile
- Martin D. Bradford
- Marty Beckerman
- Mary Blume
- Mary Budzik
- Robbi Behr
- Maurice Broaddus
- Media Lab Books,Jack Hanna
- Megan Bradbury
- Megan Hewes Butler
- Emily Balsley
- Melanie Baker
- Melanie von Bismarck
- Melissa Bashardoust
- Melissa Broyles
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- Mensun Bound
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- Michelle Bridges
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- Mike Brearley
- Mikhail Bulgakov
- Mirah Bolender
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- Mitchell Bornstein
- Moe Bonneau
- Monica Black
- Monica Brown
- Thorns, Becky
- Morag Barrett
- Nadine Brun-Cosme
- Naima Brown
- Nancy Birtwhistle
- Nancy Bush
- Nancy Marie Brown
- Nathalie Le Du & Megan Hewes Butler
