Writing for children presents some unique nuances because of industry category and age group classifications that affect recommended page counts, word counts, language usage, subject matter, and more. Many new authors make the mistake of thinking a children’s book is easier to write than a book for adults because it is much shorter in length and the content is much less complex. The truth is, writing a book for children can be just as challenging and in some respects, even more challenging than writing a book for adults.
Whether you plan to write fiction or nonfiction for children, if the content is too advanced, too preachy, or too dull, children will likely lose interest. Every word, sentence, and scene in a children’s book must be carefully chosen, and pitfalls such as “writing down” and underdeveloped characters must be avoided.
One of the biggest mistakes is writing without a clearly defined audience. This is especially important for children’s books, which are specifically categorized by the target age of the reader and other details such as length, vocabulary, themes, pacing, and complexity. Here is a summary of children’s book genres and age classifications:
Board books: For ages 0 to 2, with thick cardboard pages meant for babies to hold and flip the pages. They have very few words (under 100) and bright, simple illustrations and basic concepts.
Picture books: For ages 2 to 8, with detailed illustrations to tell the story. They often share experiences related to emotional intelligence (empathy, forgiveness, kindness), relationships, and social connections. These books typically have 500 to 1,000 words.
Easy/early reader: For ages 5 to 8 and are targeted at children who are just learning to read by themselves. They have short, uncomplicated story lines told with words and illustrations. These books typically have 1,000 to 2,000 words.
Chapter books: For ages 6 to 10, with more complex language and content, and a few black and white illustrations. They are broken into chapters for better comprehension and typically have 4,000 to 12,000 words.
Middle grade: For ages 8 to 12, with more advanced characters, plot lines, and themes, and little to no illustrations. The main character is around 10 to 12 years old, and the books typically have 20,000 to 40,000 words.
Young adult: For ages 13+, with mature themes around identity and growing up. They must hold the attention of the target age group and speak to them emotionally and intellectually by being very relatable and relevant to their lives. The more advanced plot lines and themes often appeal to ages 18 to 25 as well, and sometimes even adults, and can be written in any subgenre—romance, fantasy, historical, mystery, etc. They typically have 50,000-80,000 words.
Before embarking on the journey to write a children’s book, it’s crucial to determine exactly who your target readers are. Ask yourself how old they are, whether they'll read independently or be read to, and what experiences are typical for their age. Knowing your audience will influence every creative decision, from word count to character age to sentence structure.
One of the biggest misconceptions is that a story for children must explicitly teach a lesson or moral. A preachy narrative or heavy-handed message will actually alienate and bore younger readers. The focus should be on writing an engaging story with relatable characters and a narrative arc. Any themes or messages should be subtly woven into the plot.
While children's books frequently contain valuable life lessons, young readers will quickly lose interest when being lectured. Rather than outright explaining the lesson, let the story demonstrate it through characters' choices and growth. A story about empathy, for example, is far more effective when readers see empathy in action than when characters repeatedly talk about why it's important.
As with stories for adults, children’s stories need conflict to make readers care about the characters and outcome. Good stories have a narrative arc with rising tension and obstacles, moving the plot forward. For children, this conflict and tension don’t need to be dangerous or intense. It may be as simple as making a new friend, overcoming a fear, or learning a new skill. Shielding children from realistic stakes and natural consequences will make them feel disconnected from the story. Alternatively, watching characters face challenges and grow as a result can help young readers engage emotionally with the story.
Many new children’s authors unintentionally write stories that appeal more to the parents than to the young readers. While it is adults that make the majority of book purchases, authors must prioritize the connection with their target audience. When writing, ask yourself what children of that age want to read or enjoy. They often seek adventure, humor, mystery, friendship, and discovery. If the children are having fun and are enjoying the story, the adults will as well.
Children are capable of understanding more complex emotions and themes than adults give them credit for. When these are presented clearly and in age-appropriate ways, it establishes curiosity and interest. The goal shouldn’t be to “write down” to their level, but to communicate directly while respecting their intelligence and life experience.
Young protagonists should sound and behave like children, not miniature adults. An eight-year-old shouldn't speak like a college professor, and most teenagers don't consistently communicate with perfect emotional maturity. Children are curious, impulsive, imaginative, and still learning how the world works. These qualities make them believable and relatable. Listening to children, observing how they interact, and reading contemporary children's books can help authors create authentic dialogue and behavior.
This mistake is most common in illustration-heavy books such as picture books. Authors that are new to writing picture books often provide too much description and explanation in the narrative. Excessive descriptions aren’t necessary when you work with an experienced illustrator that knows how to enhance and complement the story through the artwork. For example, instead of listing clothing colors, eye colors, or every visual element, focus the narrative on what only the words can communicate, such as emotions, tension, or internal thoughts. This leaves room for the illustrator's creativity and will result in a more engaging book.
Authors that are new to writing for children often think they can take a shortcut when it comes to character development. This couldn’t be further from the truth. If your character lacks depth, whether it’s a toad, a dump truck, or a little boy, readers will likely forget it by the next page turn. Flesh out your characters and give them likes, dislikes, quirks, and more. Young readers must connect with the characters in order to care about the story.
Many authors default to rhyming as a story structure, which can actually restrict a story or character’s potential, especially if the rhythm is off. Unless you have a strong understanding of poetic meter, it’s better to write a strong prose story. Forced rhyming can lead to unnatural phrasing, weak storytelling, and poor reading flow.
It's tempting to want to follow in the footsteps of successful children’s books and try to write the next bestselling pigeon adventure, diary of a middle-schooler, or teen’s fight for survival in a dystopian world. The challenge with this is that by the time you write the book and get it into the marketplace, what’s popular may have changed, or the market becomes saturated with that type of book.
Rather than chasing what's currently popular, focus on creating memorable characters, compelling plots, and a distinctive voice. Original stories have a much longer lifespan than imitations of existing successes.
Writing a quality book for children requires more than using simple language or shortening a manuscript. It requires an understanding of child development, reading levels, and the expectations of each age group classification. Many children's manuscripts are rejected by agents, publishers, or readers not because the writing is poor, but because the author misunderstands the nuances of the children's book market. Whether you're writing a picture book, middle grade story, or young adult novel, keep your target reader at the center of every decision. Each word, sentence, and scene must be carefully crafted to engage your audience while remaining appropriate for their age and developmental stage. When authors create relatable characters and engaging journeys, children will often return to their favorite reads over and over. In addition to the “Children’s Books" section on The Author Learning Center, organizations like the Society of Children's Book Writers and Illustrators offer community resources and guidelines specific to children’s authors.
Writing a quality book for children requires more than using simple language or shortening a manuscript. It requires an understanding of child development, reading levels, and the expectations of each age group classification. Many children's manuscripts are rejected by agents, publishers, or readers not because the writing is poor, but because the author misunderstands the nuances of the children's book market.
Whether you're writing a picture book, middle grade story, or young adult novel, keep your target reader at the center of every decision. Each word, sentence, and scene must be carefully crafted to engage your audience while remaining appropriate for their age and developmental stage. When authors create relatable characters and engaging journeys, children will often return to their favorite reads over and over.
In addition to the “Children’s Books" section on The Author Learning Center, organizations like the Society of Children's Book Writers and Illustrators offer community resources and guidelines specific to children’s authors.
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