Lost and Found Books for Kids · 476 titles considered

The Best Books About Lost and Found Things

By the Bookroo Editors
Updated July 25, 2026

Nothing in a young child’s life is more absolute than the moment a lovey is not where it should be. It was in the laundromat, or the car, or possibly the grocery cart — and the child cannot yet describe it well enough for anyone to help. Picture books have been living inside that exact minute for decades, partly because it is the first grief most children can name, and partly because the relief when the thing comes back is one of the very few emotions a two-year-old and a tired adult feel at precisely the same volume. The rest of the shelf works the other side of the counter: a mitten dropped in the snow, a hat somebody is plainly lying about, a marble picked up off a neighbor’s lawn that gets heavier the longer it stays in a pocket.

Drawing from Bookroo’s collection of 476 books about lost and found possessions, our editors chose twelve — the lost-lovey classics parents come here looking for, the quieter books about finding something that belongs to somebody else, and middle grade novels where the missing object turns out to be carrying something much larger. Start with the fixed shortlist below, then browse by age: board books for the toddler in the middle of the crisis, picture books for the read-aloud years, and chapter books for readers old enough to go looking on their own.

I Lost My Bear
The Shortlist

Our 12 Favorite Books About Lost and Found Things

Sale price
$1797
Picture Book · Ages 3–5 · 2004

Knuffle Bunny

By Mo Willems · Book #1 in the Knuffle Bunny series

A toddler realizes on the walk home that something is missing, and cannot yet say what.

Caldecott Honor (2005)Charlotte Zolotow Honor (2005)
40 pages· 216 words· Est. 2 min read-aloud
Best for
Toddlers who have left a lovey somewhere
4.8/7 Bookroo experts·4.3/5 Goodreads · 50,732 ratings
$18.99Save 5%
Picture Book · Ages 2–4 · 1998

I Lost My Bear

A bear has gone missing somewhere inside the house, and nobody else intends to help look.

40 pages
Best for
Preschoolers turning the whole house upside down
3.8/5 Goodreads · 310 ratings
$16.00Save 5%
Board Book · Ages 0–3 · 1989

The Mitten

A lost mitten becomes a cozy refuge for woodland animals, leading to a surprising climax.

32 pages
Best for
A winter storytime with a big payoff
5.1/7 Bookroo experts·4.3/5 Goodreads · 95,184 ratings
$15.99Save 6%
Board Book · Ages 3–6 · 2014

Found

A stuffed bunny turns up alone in the forest, and whoever finds it has to decide what comes next.

32 pages
Best for
Toddlers learning that found things belong to someone
4.2/5 Goodreads · 1,773 ratings
$7.99Save 5%
Picture Book · Ages 4–8 · 2011

I Want My Hat Back

By Jon Klassen · Book #1 in the The Hat Trilogy series

A bear works politely down a line of animals, asking each one about a missing hat.

40 pages· 253 words· Est. 2 min read-aloud
Best for
Deadpan humor and reading between the lines
4.3/7 Bookroo experts·4.3/5 Goodreads · 36,724 ratings
$18.99Save 5%
Picture Book · Ages 4–8 · 2006

Adèle & Simon

A walk home across Paris, and something left behind at every single stop.

36 pages
Best for
Seek-and-find readers ages 4–8
4.3/5 Goodreads · 787 ratings
$18.99Save 5%
Picture Book · Ages 4–7 · 2015

Float

A paper boat is launched into a rainy gutter and carried somewhere it cannot be followed.

48 pages
Best for
Wordless reading and losing something you made
5.0/7 Bookroo experts·4.2/5 Goodreads · 2,505 ratings
$17.99Save 6%
Picture Book · Ages 4–7 · 1986

Jamaica's Find

A child finds a toy dog and faces a moral choice.

32 pages· 773 words· Est. 6 min read-aloud
Best for
Talking about returning something you found
4.0/5 Goodreads · 325 ratings
$7.99Save 5%
Picture Book · Ages 4–8 · 2013

Penny and Her Marble

A marble is picked up off a neighbor’s lawn, and the pocket it goes into stops feeling comfortable.

48 pages· 879 words· Est. 7 min read-aloud
Best for
New readers ready to finish a whole book alone
4.2/5 Goodreads · 2,253 ratings
$5.99Save 4%
Chapter Book · Ages 8–11 · 2021

The Christmas Pig

By J.K. Rowling, Jim Field (Illustrator)

A young boy embarks on a journey to rescue his beloved toy pig from the Land of the Lost.

288 pages· 48,700 words· Est. 7 hour read
Best for
A read-aloud for a child who still has a lovey
4.2/5 Goodreads · 43,211 ratings
$24.99Save 5%
Chapter Book · Ages 8–12 · 2024

Coyote Lost and Found

A girl must find a lost book to fulfill her mother's final wish on a secretive road trip.

282 pages· 66,196 words· Est. 9 hour read
Best for
Middle-grade readers ready for grief on the road
4.5/5 Goodreads · 5,259 ratings
$17.99Save 6%
Chapter Book · Ages 8–12 · 2019

Malamander

The boy who runs a seaside hotel’s lost-property cellar is handed a case he cannot file: a missing person.

304 pages· 53,056 words· Est. 7.5 hour read
Best for
Atmospheric mystery for ages 8–12
4.1/5 Goodreads · 9,285 ratings
$16.99Save 6%
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Browse by age

Lost and Found Board Books for Babies & Toddlers

Sturdy first books about a missing lovey, a dropped mitten, and the enormous relief of getting it back. Ages 0–3.

Frog, Where Are You?

Ages 2–5 · 1969

A boy and his dog search for their missing friend, Frog.

Binky

Ages 2–5 · 2005

A toddler's world unravels when a beloved binky goes missing.

Where Is Baby's Pumpkin?

Ages 1–4 · 2006

A baby searches for a missing pumpkin, uncovering Halloween surprises.

Three Bears of the Pacific Northwest

Ages 0–3 · 2011

A lost teddy bear seeks help from two native bears to find his way home.

The Letters Are Lost

Ages 2–5 · 1996

The alphabet letters are lost! Can you find them all in unexpected places?

Mimi and Bear in the Snow

Ages 1–4 · 2014

Mimi's day turns upside down when her beloved Bear goes missing.

Can You Find My Robot's Arm?

Ages 2–5 · 2017

A robot searches for a missing arm. Can you help find a quirky replacement?

The Little Mouse Who Lost Her Squeak

Ages 3–5 · 2015

Little Mouse searches for her missing squeak. Can you help her find it?

Johnny Tractor and the Big Surprise
Sale price
$495

Johnny Tractor and the Big Surprise

Ages 1–4 · 2006

A lost item leads to a farmyard mystery.

The Vanishing Baseball Cap
Sale price
$999

The Vanishing Baseball Cap

Ages 0–5 · 2019

A missing cap in a museum leads to a playful detective hunt.

The Misplaced Toy Hammer

Ages 0–5 · 2019

A toy hammer is missing. Can young detectives solve the mystery?

The Easter Egg Is Missing!

Ages 0–3 · 2021

A golden egg vanishes during an Easter hunt. Who took it and why?

View all lost and found board books
Browse by age

Picture Books About Losing and Finding Things

Read-alouds about loveys left behind, hats worth lying about, and the harder question of what to do with something you found. Ages 3–8.

The Best Seat in Second Grade

Ages 5–7 · 2005

A boy secretly takes his classroom hamster on a field trip to the science museum, leading to unexpected adventures and discoveries.

Have You Seen My Dinosaur?

Ages 4–7 · 2010

A young boy searches for his missing dinosaur.

The Case of the Missing Monkey

Ages 6–8 · 2000

A glass monkey is missing. Can detectives solve the mystery?

Corduroy Lost and Found

Ages 3–5 · 2006

Corduroy seeks the perfect gift but gets lost in the process.

The Missing Pairs

Ages 4–8 · 2021

Fox, Hare, and Badger's missing items lead to a puzzling mystery. Can Bear solve it?

Little Fox and the Missing Moon

Ages 3–7 · 2019

Fox dreams the moon is missing. Can he find it?

Bear in the Air
Sale price
$1595

Bear in the Air

Ages 5–7 · 2010

A lost teddy bear embarks on a daring journey to find his way home.

In a Small Kingdom

Ages 4–8 · 2016

A prince must find new power after his brother destroys the royal robe.

Ms. Rachel and the Special Surprise
Sale price
$1999

Ms. Rachel and the Special Surprise

Ages 2–5 · 2024

Help uncover a special surprise while learning gestures and songs.

Santa's Lost Sleigh

Ages 4–8 · 2022

Santa's sleigh vanishes, sparking a wild, comical quest.

Oliver Elephant

Ages 2–5 · 2017

A lost toy elephant in a vast store—can Noah find it before it's too late?

My Pet Feet

Ages 4–8 · 2022

A missing letter turns a town upside-down. Can it be found?

Browse by age

Lost and Found Chapter Books & Middle Grade

Longer stories where a missing object starts something bigger — first detective cases, seaside mysteries, and road trips with real grief in them. Ages 6–12.

Ada Lace, on the Case

Ages 6–10

A young girl investigates the disappearance of a neighbor's dog in her new neighborhood

Horton Halfpott

Ages 8–12 · 2011

A loosened corset leads to chaos and a missing heirloom. Who's to blame?

Nancy Clancy, Super Sleuth

Ages 6–10 · 2012

A young girl tries to solve a mystery involving a missing marble and a suspicious twin sister.

Nate the Great

Ages 6–9 · 1972

Nate the Great is tasked with finding a lost picture of Annie's dog Fang.

The Lost Stone

Ages 6–9 · 2014

A young prince disguises himself as a commoner to attend school and make friends, but his adventure takes a turn when he and his friend embark on a quest to find the queen's lost emerald

The Secret of the Old Clock

Ages 7–12 · 1930

A young woman investigates the mysterious circumstances surrounding a wealthy man's death and the disappearance of his will.

The Mystery of the Stolen Diamonds

Ages 7–9 · 1980

A young girl with a photographic memory helps solve a jewelry store robbery with her friend and her friend's baby brother

Penny and Pepper

Ages 6–9 · 2011

A summer of surprises and mysteries awaits with a pony and new friends.

The Mystery of Mr. E

Ages 4–8 · 2017

A shaggy dog vanishes, leaving only paw prints. Where is Mr. E?

The Night Compass
Sale price
$1899

The Night Compass

Ages 8–12 · 2024

Race against time to find a legendary beast before a villain does.

Graphic Nov.
Sale price
$2299

Get the Party Started

Ages 8–12 · 2024

Dogs embark on a quest to find a magical collar and missing toys.

Lost and Found

Ages 7–10 · 2023

A ghostly kitten needs help finding its way home. Can Buster and friends succeed?

Keep exploring
Stuffed animal friendsTeddy bearsToys, dolls & puppetsBeing lostHide-and-seekBooks about honestyBooks about responsibilityBooks about problem solvingBooks about detectivesMystery booksBuried treasureWordless picture books

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