A complete list of all IBOB titles from past seasons, alphabetized by author's last name.
E = elementary, MJ = middle/junior high, H = high school
Clap When You Land by Elizabeth Acevedo (H)
The Crossover by Kwame Alexander (MJ)
Amari and the Night Brothers by B. B. Alston (MJ)
Midnight at the Electric by Jodi Anderson (H)
Chains by Laurie Halse Anderson (MJ)
Fever, 1793 by Laurie Halse Anderson (MJ)
Crenshaw by Katherine Applegate (E)
Small Spaces by Katherine Arden (E)
A Royal Guide to Monster Slaying by Kelley Armstrong (E)
Arlo Finch in the Valley of Fire by John August (MJ)
The Night Gardener by Jonathan Auxier (MJ)
Poppy by Avi (E)
The True Confessions of Charlotte Doyle by Avi (E)
Zombie Baseball Beatdown by Paolo Bacigalupi (MJ)
Blast-off! by Nate Ball (E)
Six of Crows by Leigh Bardugo (H)
The Inheritance Games by Jennifer Lynn Barnes (MJ)
The Case of the Case of Mistaken Identity by Mac Barnett (E)
The Girl Who Drank the Moon by Kelly Barnhill (MJ)
Soar by Joan Bauer (E)
Seraphina and the Black Cloak by Robert Beatty (E)
El Deafo by Cece Bell (E)
The Next Great Paulie Fink by Ali Benjamin (E)
The Scandalous Sisterhood of Prickwillow Place by Julie Berry (MJ)
Wild Heart: The Daring Adventures of John Muir by Julie Bertagna (E)
The Penderwicks by Jeanne Birdsall (E)
The Blackbird Girls by Anne Blankman (MJ)
Tales of a Fourth Grade Nothing by Judy Blume (E)
The Canyon's Edge by Dusti Bowling (MJ)
Insignificant Events in the Life of a Cactus by Dusti Bowling (MJ)
The Benefits of Being an Octopus by Ann Braden (MJ)
The War That Saved My Life by Kimberly Brubaker Bradley (E, MJ)
The Last Kids on Earth by Max Brallier (E)
Masterpiece by Elise Broach (E)
The Wild Robot by Peter Brown (E)
Fairy Tale Detectives by Michael Buckley (E)
The Epic Fail of Arturo Zamora by Pablo Cartaya (MJ)
Winterborne Home for Vengeance and Valor by Ally Carter (E)
We Are Not Free by Traci Chee (H)
The Year of the Book by Andrea Cheng (E)
See You In the Cosmos by Jack Cheng
Awkward by Svetlana Chmakova (MJ)
Aru Shah and the End of Time by Roshani Chokshi (E)
Al Capone Does My Shirts by Gennifer Choldenko (E)
We the Children by Andrew Clements (E)
Wicked Nix by Lena Coakley (E)
The Inn Between by Marina Cohen (E)
Artemis Fowl by Eoin Colfer (MJ)
The Truth As Told By Mason Buttle by Leslie Connor (MJ)
New Kid by Jerry Craft (MJ)
Walk Two Moons by Sharon Creech (MJ)
The Total Eclipse of Nestor Lopez by Adrianna Cuevas (E)
The Care and Feeding of a Pet Black Hole by Michelle Cuevas (E)
Bud, Not Buddy by Christopher Paul Curtis (E)
Matilda by Roald Dahl (E)
The Journal of Curious Letters by James Dashner (MJ)
The Lemonade War by Jacqueline Davies (E)
Wild Life by Cynthia DeFelice
Flora & Ulysses: The Illuminated Adventures by Kate DiCamillo (E)
The Tale of Despereaux by Kate DiCamillo (E)
Stepsister by Jennifer Donnelly (MJ)
Stella By Starlight by Sharon M. Draper (MJ)
The Rig by Joe Ducie (MJ)
It Ain't So Awful, Falafel by Firoozeh Dumas (MJ)
City of Ember by Jeanne DuPrau (E)
The Ambrose Deception by Emily Ecton (E)
The Super Life of Ben Braver by Marcus Emerson (E)
96 Miles by JL Esplin (MJ)
Miss Quinces by Kat Fajardo (MJ)
Dark Life by Kat Falls (MJ)
Starfish by Lisa Fipps (E, MJ)
Ranger's Apprentice: The Ruins of Gorlan by John Flanagan (MJ)
The Whipping Boy by Sid Fleischman (E)
Fortunately, the Milk by Neil Gaiman (E)
The Graveyard Book by Neil Gaiman (MJ)
The Honest Truth by Dan Gemeinhart (MJ)
The Remarkable Journey of Coyote Sunrise by Dan Gemeinhart (MJ)
Some Kind of Courage by Dan Gemeinhart (MJ)
Tuesdays at the Castle by Jessica Day George (E)
Death by Toilet Paper by Donna Gephart (MJ)
Spy School by Stuart Gibbs (E)
The Inquisitor's Tale by Adam Gidwitz (MJ)
Escape from Mr. Lemoncello's Library by Chris Grabenstein (E)
Ground Zero by Alan Gratz (MJ)
Refugee by Alan Gratz (MJ)
Wolf by Wolf by Ryan Graudin (MJ)
The Hadley Academy for the Improbably Gifted by Conor Grennan (MJ)
Among the Hidden by Margaret Peterson Haddix (MJ)
Found by Margaret Peterson Haddix (MJ)
Big Bad Ironclad! by Nathan Hale (E)
Rebel of the Sands by Alwyn Hamilton (MJ)
The Afterlife of Holly Chase by Cynthia Hand (MJ)
The How and the Why by Cynthia Hand (H)
Wink by Rob Harrell (MJ)
Courage for Beginners by Karen Harrington (MJ)
The Last Cuentista by Donna Barba Higuera (MJ)
The Night Diary by Veera Hiranandani (MJ)
House Arrest by K. A. Holt (MJ)
The Fourteenth Goldfish by Jennifer L. Holm (E)
Stormbreaker by Anthony Horowitz (MJ)
A Good Girl's Guide to Murder by Holly Jackson (H)
Redwall by Brian Jacques (MJ)
Roller Girl by Victoria Jamieson (MJ)
When Stars are Scattered by Victoria Jamieson and Omar Mohamed (MJ)
Truly Devious by Maureen Johnson (MJ)
The Great Greene Heist by Varian Johnson (MJ)
A Thousand Nights by EK Johnston (MJ)
Unusual Chickens for the Exceptional Poultry Farmer by Kelly Jones (E)
Amulet: The Stonekeeper by Kazu Kibuishi
OCDaniel by Wesley King (MJ)
From the Mixed-Up Files of Mrs. Basil E. Frankweiler by EL Konigsburg (E)
The View from Saturday by EL Konigsburg (E)
Illuminae by Amie Kaufman and Jay Kristoff (H)
Masterminds by Gordon Korman (MJ)
Restart by Gordon Korman (MJ)
The Unteachables by Gordon Korman (E)
Inside Out and Back Again by Thanhha Lai (MJ)
Measuring Up by Lily LaMotte (E)
Dash by Kirby Larson (E)
Dreamland Burning by Jennifer Latham (H)
The Skeleton Tree by Iain Lawrence (MJ)
Under a Painted Sky by Stacey Lee (MJ)
A Wrinkle in Time by Madeleine L'Engle (MJ)
Finding Gobi by Dion Leonard (MJ)
Enginerds by Jarrett Lerner (E)
Daughter of the Pirate King by Tricia Levenseller (H)
Ella Enchanted by Gail Carson Levine (E)
The Lion, the Witch, and the Wardrobe by C. S. Lewis (E)
Wild Wings by Gill Lewis (E)
The Grace Year by Kim Liggett (H)
Starry River of the Sky by Grace Lin (E)
Hummingbird by Natalie Lloyd (E)
Warcross by Marie Lu (MJ)
Game Changers by Mike Lupica (MJ)
Not If I Can Help It by Carolyn Mackler (E)
This Woven Kingdom by Tahereh Mafi (H)
Click Here to Start by Denis Markell (MJ)
The Door by the Staircase by Katherine Marsh (E)
11 Birthdays by Wendy Mass (E)
Tristan Strong Punches a Hole in the Sky by Kwame Mbalia (MJ)
The Miscalculations of Lightning Girl by Stacy McAnulty (E)
The Unwanteds by Lisa McMann (MJ)
The Apotheary by Maile Meloy (MJ)
History Smashers: The Titanic by Kate Messner (E)
Cinder by Marissa Meyer (MJ)
Train I Ride by Paul Mosier (MJ)
Fablehaven by Brandon Mull (E)
Dairy Queen by Catherine Gilbert Murdock (H)
The False Prince by Jennifer Nielsen (MJ)
A Night Divided by Jennifer Nielsen (MJ)
We Are All Made of Molecules by Susin Nielsen (MJ)
Frogkisser! by Garth Nix (MJ)
It's Trevor Noah: Born a Crime by Trevor Noah (MJ)
Spirit Hunters by Ellen Oh (MJ)
Bloom by Kenneth Oppel (MJ)
Inkling by Kenneth Oppel (E)
Pony by RJ Palacio (MJ)
A Wolf Called Wander by Rosanne Parry (E)
Mistakes Were Made by Stephen Pastis (E)
Becoming Muhammad Ali by James Patterson and Kwame Alexander (E)
Middle School: The Worst Years of My Life by James Patterson (MJ)
Hatchet by Gary Paulsen (E)
Lawn Boy by Gary Paulsen (E)
My Life in Dog Years by Gary Paulsen (E)
The Seventh Most Important Thing by Shelley Pearsall (MJ)
Max and the Midknights by Lincoln Peirce (E)
The Unforgettable Logan Foster by Shawn Peters (E)
The Field Guide to the North American Teenager by Ben Philippe (H)
The Red Pencil by Andrea Davis Pinkney (E)
The Someday Birds by Sally J. Pla (MJ)
Stanley Will Probably Be Fine by Sally J. Pla (E)
City Spies by James Ponti (E)
Ghost by Jason Reynolds (E, MJ)
39 Clues: The Maze of Bones by Rick Riordan (E)
The Lightning Thief by Rick Riordan (E, MJ)
The Hero Two Doors Down by Sharon Robinson (E)
Air by Monica Roe (MJ)
Echo by Pam Munoz Ryan (MJ)
Esperanza Rising by Pam Munoz Ryan (E)
Alcatraz vs. the Evil Librarians by Brandon Sanderson (E)
Skyward by Brandon Sanderson (MJ)
Steelheart by Brandon Sanderson (MJ)
The Blackthorn Key by Kevin Sands (MJ)
Pay Attention, Carter Jones by Gary D. Schmidt (E)
City of Ghosts by Victoria Schwab (MJ)
Nightmares! by Jason Segal and Kirsten Miller (E)
The Sasquatch Escape by Suzanne Selfors (E)
I Must Betray You by Ruta Sepetys (H)
Salt to the Sea by Ruta Sepetys (MJ)
Port Chicago 50 by Steve Sheinkin (MJ)
Grump: The (Fairly) True Story of Snow White and the Seven Dwarves by Leisl Shurtliff (E)
Scythe by Neal Shusterman (H)
Peak by Roland Smith (MJ)
Drums, Girls, and Dangerous Pie by Jordan Sonnenblick (MJ)
All Thirteen by Christina Soontornvat (MJ)
When You Reach Me by Rebecca Stead (E)
The Mysterious Benedict Society by Trenton Lee Stewart (MJ)
The Scorpio Races by Maggie Stiefvater (H)
Clean Getaway by Nic Stone (E)
The Screaming Staircase by Jonathan Stroud (MJ)
The Menagerie by Tui T. and Kari Sutherland (MJ)
All My Rage by Sabaa Tahir (H)
They Called Us Enemy by George Takei (MJ)
I Survived the Eruption of Mount St. Helens, 1980 by Lauren Tarshis (E)
I Survived the San Francisco Earthquake, 1906 by Lauren Tarshis (E)
Guts by Raina Telgemeier (E, MJ)
One Came Home by Amy Timberlake (MJ)
The Hobbit by JRR Tolkien (MJ)
The Finest Hours (Young Readers Edition) by Michael J Tougias & Casey Sherman (E)
The Nebula Secret by Trudi Trueit (E)
Three Times Lucky by Sheila Turnage (E)
The Beast Player by Nahoko Uehasi (MJ)
Unfriended by Rachel Vail (MJ)
The Running Dream by Wendelin van Draanen (MJ)
Cog by Greg Van Eekhout (MJ)
The Prince and the Dressmaker by Jen Wang (MJ)
Other Words for Home by Jasmine Warga (MJ)
EllRay Jakes the Recess King! by Sally Warner (E)
Loot by Jude Watson (MJ)
Ways to Make Sunshine by Renee Watson (E)
Mystery on Museum Mile by Marcia Wells (E)
All Systems Red by Martha Wells (H)
Leviathan by Scott Westerfeld (MJ)
Charlotte's Web by EB White (E)
One Crazy Summer by Rita Williams-Garcia (E)
Dealing with Dragons by Patricia C. Wrede (MJ)
American Born Chinese by Gene Luen Yang (MJ)
Dragon Hoops by Gene Luen Yang (H)
Front Desk by Kelly Yang (E)
The Genius Under the Table by Eugene Yelchin (MJ)
Centaur Rising by Jane Yolen (MJ)
The Devil's Arithmetic by Jane Yolen (MJ)
I Am Malala by Malala Yousafzai (MJ)
In the Wild Light by Jeff Zentner (H)