- Plum, Sean Hayes & Scott Icenogle ; illustrated by Robin Thompson
- Little Mole's wish, Sang-Keun Kim
- A small zombie problem, K.G. Campbell
- The heart of a whale, Anna Pignataro
- This is how I'd love you, a novel, Hazel Woods
- Little Brown, Marla Frazee
- Alone, Megan E. Freeman
- A friend for Dragon, Dav Pilkey
- Hanukkah hamster, written by Michelle Markel and illustrated by André Ceolin
- Alone like me, Rebecca Evans
- Jeremy draws a monster, Peter McCarty
- Lonely bird, Ruth Whiting
- Squish Rabbit, by Katherine Battersby
- Mr. Coats, Sieb Posthuma ; translated by David Colmer
- The lonely hearts book club, Lucy Gilmore
- Loneliness & Company, a novel, Charlee Dyroff
- How not to die alone, Richard Roper
- All the lonely people, Mike Gayle
- What was she thinking?, notes on a scandal, Zoë Heller
- Friends, Aiko Ikegami
- After the funeral and other stories, Tessa Hadley
- Caspian finds a friend, by Jacqueline Véissid ; illustrated by Merrilees Brown
- Mars' first friends, come on over, rovers!, Susanna Leonard Hill and Elisa Paganelli
- A funny little bird, Jennifer Yerkes
- Juliet, naked, a novel, Nick Hornby
- Melrose and Croc, a Christmas to remember, Emma Chichester Clark
- Adelaide's secret world, Elise Hurst
- Our souls at night, Kent Haruf
- The cat with seven names, Tony Johnston ; illustrated by Christine Davenier
- Love, Holly, a novel, Emily Stone
- The ice garden, Guy Jones
- Just like that, Gary D. Schmidt
- Chirp!, Chipmunk sings for a friend, Jamie A. Swenson ; Scott Magoon
- Little Robot alone, by Patricia MacLachlan and Emily MacLachlan Charest ; illustrated by Matt Phelan
- Little echo, Al Rodin
- The lonely heart of Maybelle Lane, Kate O'Shaughnessy
- The bear and the wildcat, written by Kazumi Yumoto and illustrated by Komako Sakai ; translated by Cathy Hirano
- The music shop, a novel, Rachel Joyce
- La la la, Kate DiCamillo ; a story of hope illustrated by Jaime Kim
- Out of the clear blue sky, Kristan Higgins
- The sisters of Straygarden Place, [by] Hayley Chewins
- A friend for Ghost, Suzanne Kaufman
- Peter and the tree children, Peter Wohlleben ; illustrated by Cale Atkinson ; translated by Jane Billinghurst
- The loneliest girl in the universe, Lauren James
- Margaret's Unicorn, by Briony May Smith
- Sugar in milk, by Thrity Umrigar ; illustrated by Khoa Le
- Nothing rhymes with orange, Adam Rex
- Snow hunters, Paul Yoon
- Looking up, Stephan Pastis
- Pandora, Victoria Turnbull