Unbelievable Preschool Letter U Book List

Let’s read books that start with the letter U! Part of a good Letter U lesson plan will include reading. A Letter U Book List is an essential part of your preschool curriculum whether that is in the classroom or at home. In learning the letter U, your child will master letter U recognition which can be accelerated through reading books with the letter U.

 Preschool Letter U Books - several letter U books covers shown on a yellow background surrounded by preschool letters - Kids Activities Blog
Check out these great books to help you learn the Letter U!


Your There are so many fun letter books for preschool age kids. They tell the letter U story with bright illustrations and compelling plot lines. These books work great for letter of the day reading, book week ideas for preschool, letter recognition practice or just sitting down and reading!

Related: Check out our list of best preschool workbooks!

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Words that start with the letter U like urchin
Let’s read about the letter U!


Whether it be phonics, morals, or math, each of these books goes above and beyond teaching the letter U! Check out some of my favorites.

Thelma The Unicorn
Letter U Book: Thelma the Unicorn

1.Thelma the Unicorn

–>Buy book here

Thelma dreams of being a glamorous unicorn. Then in a rare pink and glitter-filled moment of fate, Thelma’s wish comes true. She rises to instant international stardom, but at an unexpected cost. This joyful letter U book is about learning to love who you are…even if you don’t have sparkles.

Little Lost Unicorn
Letter U Book: Little Lost Unicorn

2. Little Lost Unicorn

–>Buy book here

A tender story of friendship and bravery. When Little Unicorn gets lost in the woods, all the forest creatures comfort and welcome him. But while he’s playfully giving the smaller animals a ride, Baby Rabbit slips off his back and into the water—and he can’t swim. Will Little Unicorn be able to rescue the tiny bunny? And will he ever find his way back home again?

Letter U Book: Underwear!

3. Underwear!

–>Buy book here

So begins the dialogue between a tired bear dad and a rambunctious bear cub who would rather play with his tidy-whities than get into bed. Underwear makes great hair. It can even turn one into a superber, or a goggle-wearing swimming bear. But beware of a big scare! Rhymes, homonyms, and conjunctions abound in this book that could be used to teach reading, but its primary purpose is to make bedtime fun.

Doctor Grundy's Undies
Letter U Book: Doctor Grundy’s Undies

4. Doctor Grundy’s Undies

–>Buy book here

A strong gust of wind sweeps Doctor Grundy’s best undies—brand-new, and decorated with tiger stripes and tiger eyes off the clothesline. The unusual undergarments go flapping out to sea and across many different lands. Who will get to keep them? A cracked crew of pirates? A silly Scottish bagpiper? You’ll find out in this fun-filled and irreverent world tour. The adventure is XXL, just like the fabulous undies, and loaded with clever rhymes and winsome pictures.

Up Above and Down Below
Letter U Book: Up Above and Down Below

5. Up Above and Down Below

–>Buy book here

Up above, the ants are taking over a picnic. But down below is another story. Look closely and you’ll find very different worlds living side by side, at a picnic, in the ocean, in the blazing desert, even inside the same two-story home. This easy letter U book’s bold, wonderfully detailed illustrations hide lots of fun and mischief. Keep an eye out for the red ant and green worm who have snuck into every picture!

The Underwater Alphabet Book
Letter U Book: The Underwater Alphabet Book

6. The Underwater Alphabet Book

–>Buy book here

Learn your ABCs in this aquatic exploration of the coral reef. A fun first concepts book that covers sea creatures from A to Z. From the well-known Angelfish to lesser known Humu humu nuku nuku apua’a all the way to Zebra Pipefish. Detailed and vibrant illustrations bring the reader into the colorful underwater world.  This alphabetical journey is told both with wit and scientific accuracy that makes for a fun and funny read aloud that kids and parents will be eager to dive into.

Related: Check out our list of best preschool workbooks

Letter U Books for Preschoolers

Unicorns in Uniforms
Unicorns in Uniforms is an easy letter U book!

7. Unicorns in Uniforms

–>Buy book here

It’s Opening Day at the White Horse Hotel. The staff of unicorns are all dressed in their smart new uniforms. They seem ready to greet Lord Stork, but these clumsy unicorns cause one disaster after another. Can anything persuade their very first guest to stay? Find out with your child in this adorable story.

Bob is a unicorn
Is Bob a Unicorn? Really?

8. Bob is a Unicorn

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Though his friends don’t believe him, Bob is SURE he is a unicorn. This letter U book celebrates the importance of imagination, and believing in yourself.

Under the ground
What lives under the ground?

9. Under the Ground

–>Buy book here

Take a journey down under the ground to discover the fascinating creatures that live in burrows, dens, tunnels and nests. Along with foxes, rabbits and ants, find out about burrowing birds, tunneling tarantulas, and strange blind rats that live underground too. My children love non-fiction books like this one.

Underpants For Ants
Letter U Book: Underpants For Ants

10. Underpants For Ants

–>Buy book here

A humorously illustrated picture book for beginner readers – great fun to read aloud together. The ants are feeling a bit chilly – can Mouse help with her knitting skills? With simple rhyming text and phonic repetition specially designed to develop essential language and early reading skills. Also includes guidance notes for parents at the back of the book.

More Letter Books For Preschoolers

Oh! And one last thing! If you love reading with your children, and are on the hunt for age-appropriate reading lists, we have the group for you! Join Kids Activities Blog in our Book Nook FB Group.

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More Letter U Learning For Preschoolers

Which letter U book was your child’s favorite letter book?

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