The first children's book I wrote was 3,000 words long, had no illustrations, and used vocabulary that would challenge most adults. I submitted it to a publisher who wrote back a single line: "This is not a children's book." She was right. I had written a short story for adults and slapped a kid-friendly title on it. Writing for children is not about simplifying adult writing. It is a distinct craft with its own rules, and those rules exist for developmental reasons.
A children's book succeeds when it meets the child where they are: their reading level, their attention span, their emotional world, and their sense of wonder. That requires understanding your audience more precisely than any other form of writing.
How to Write a Children's Book in 10 Steps
Now, let’s move on to the 10 steps to write a children's book.
Define Your Target Audience
Children's books are categorized by age group, and each group has dramatically different requirements. Board books (ages 0-3) use 100-300 words, simple concepts, and sturdy pages. Picture books (ages 3-7) run 500-1,000 words and rely heavily on illustrations. Early readers (ages 5-8) use 1,000-2,500 words with simple sentences and controlled vocabulary. Chapter books (ages 7-10) run 5,000-15,000 words and begin to develop more complex plots.
Choose your age group before you write a word. The age group determines everything: word count, sentence complexity, theme sophistication, illustration requirements, and page count. A book that falls between age groups confuses publishers and readers alike.
Choose Your Format, Length, and Layout
The format follows from the age group. Picture books are typically 32 pages (an industry standard driven by printing requirements). Board books are shorter, usually 12-24 pages. Chapter books can run longer. Within these formats, decide whether your book will use full-page illustrations, spot illustrations, or text-only pages.
Layout matters more in children's books than in any other format. The relationship between text and image on each page spread (two facing pages) drives the reading experience. Plan your page turns carefully. The best picture books use page turns as dramatic reveals.
Choose a Writing Style
Children's books can be written in prose, rhyme, or a combination. Rhyming texts are popular for picture books but extremely difficult to execute well. Bad rhyme is worse than no rhyme. If you choose rhyme, every line must scan perfectly and every rhyme must feel natural. Forced rhymes (where the story bends to accommodate the rhyme) are the most common mistake in children's book manuscripts.
Prose is more forgiving and gives you more freedom with vocabulary and pacing. Most successful children's book authors write in prose with a strong rhythmic quality that makes the text enjoyable to read aloud.
Incorporate Key Elements
Every children's book needs a clear theme that resonates with its audience. Themes like friendship, courage, belonging, fairness, and self-discovery work across age groups. The theme should emerge naturally from the story rather than being stated as a lesson. Children detect and resist moralizing faster than adults do.
Include emotional moments that children can feel. Humor, suspense, surprise, and warmth are all effective. The emotional range should match the age group: a board book might explore the simple joy of discovery, while a chapter book can handle more complex emotions like jealousy or grief.
Create Characters
Children's book characters need to be immediately recognizable and emotionally accessible. Young readers connect with characters who face problems they understand: making friends, dealing with a sibling, being afraid of the dark, starting school. The character does not need to be a child, but they need to experience the world the way a child does.
Give your character a clear want (what they are trying to achieve) and a clear obstacle (what is in the way). Even in a 500-word picture book, this simple structure creates a satisfying narrative arc. Use your character development skills to build characters that feel real within the constraints of the format.
Blend the Components into a Cohesive Story
The character, theme, setting, and plot need to work together as a single integrated experience. Each element should reinforce the others. If the theme is courage, the character should face a fear. The setting should create opportunities for that fear to manifest. The plot should build toward a moment where the character must choose courage.
Read your draft aloud. Children's books are performance texts. They are read aloud by parents, teachers, and librarians. The words need to flow when spoken. Awkward phrasing, tongue twisters, and overly long sentences disrupt the reading experience.
Choose a Book Title
A children's book title should be memorable, age-appropriate, and hint at the story. Short titles work best for younger age groups. Consider how the title sounds when a child asks for the book by name. "Where the Wild Things Are" is eight syllables that a three-year-old can say. That is not an accident.
Find an Illustrator and Editor
Unless you are also an illustrator, you will need to find one. For picture books, the illustrations carry at least half the storytelling weight. Look at published books in your genre and age group, identify illustrators whose style matches your vision, and reach out to them or their agents.
Hire a children's book editor before submitting to publishers. Children's book editing is specialized. A good children's book editor understands age-appropriate language, pacing for read-alouds, and the relationship between text and illustration. General fiction editors may not have this expertise.
Create a Book Dummy
A book dummy is a physical mockup of your picture book. Take blank pages, fold them into a 32-page booklet, and sketch out where the text and illustrations will go on each spread. This reveals pacing problems that are invisible in a manuscript: too much text on one spread, not enough action on another, a page turn that falls in the wrong place.
Publish Your Book
Children's book publishing follows two paths: traditional and self-publishing. Traditional publishing through a literary agent and publisher remains the stronger path for children's books because distribution to schools, libraries, and bookstores depends heavily on publisher relationships. If you decide to publish your own children's book, invest in professional illustration and design. Children's books compete on visual quality, and amateur illustrations will undermine even the best story.
Tips for Writing Your Children's Book
Read widely in your target age group. Study what works and why.
Join a children's book critique group. Other writers will catch issues you cannot see.
Visit schools, libraries, and bookstores to observe how children interact with books.
Keep your language concrete. Children understand "the big red truck" better than "the vehicle."
End each page spread with something that makes the reader want to turn the page.
Avoid talking down to your audience. Children are perceptive and deserve respect.
Final Thoughts
Writing a children’s book requires more than just storytelling talent, it demands an understanding of your audience and attention to detail throughout the creative and publishing processes. By focusing on age-appropriate themes, relatable characters, and cohesive storytelling, you can create a book that engages young readers and resonates with them emotionally.
Whether you choose to self-publish or pursue traditional publishing, invest in quality. Professional editing, design, and illustration are critical for creating a book that both children and their parents will cherish. Writing for children is not only a craft but also a rewarding opportunity to inspire curiosity, learning, and joy for a new generation of readers.
Related Resources
Here are some related articles you might find helpful:
FAQs
Here I answer the most frequently asked questions about writing a children’s book.
How many words should a children's book have?
It depends on the age group. Board books: 100-300 words. Picture books: 500-1,000 words. Early readers: 1,000-2,500 words. Chapter books: 5,000-15,000 words. Middle grade novels: 20,000-50,000 words. Always check current publisher guidelines for your specific category.
Do I need an illustrator for my children's book?
For picture books and board books, yes. Illustrations are essential to the storytelling. For chapter books, spot illustrations are common but not required. If you are submitting to traditional publishers, do not hire an illustrator yourself since publishers prefer to pair writers with illustrators from their own roster.
How do I get a children's book published?
Research publishers that specialize in your age group and genre. Follow their submission guidelines exactly. Most traditional children's book publishers accept submissions through literary agents. You can also self-publish through platforms like Amazon, but invest in professional illustration and design.