Book Series

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A young girl with long brown hair wearing glasses on her head and a gray t-shirt is hugging a stack of five hardcover books with her eyes closed.

Parents and kids both love book series, and it’s easy to understand why. For parents, once a child gets hooked on a series, keeping them reading becomes almost automatic—just hand them the next book and watch the motivation take care of itself. Kids love series because they grow attached to the characters, dive deeper into the story world, and can’t resist those cliff-hangers that make them need to read the next chapter. Plus, following a series actually helps build stronger reading habits and comprehension skills. Before long, the books become part of their identity and a go-to conversation starter with friends.

There aren’t many books written at the true kindergarten reading level besides decodable books, but the ones that do exist are little gems. These stories have high decodability for kindergarteners because most kids at this stage have mastered CVC words, common digraphs, and a handful of early sight words. That means they can actually read an entire book on their own—no guessing, no grown-up rescue needed. And when they turn that last page by themselves, the sense of pride and confidence they feel is huge, which only motivates them to keep reading more.

Kindergarten

Book Series

Blue educational box set titled "Bob Books" for beginning readers, includes Stage 1, Set 1, with cartoon illustrations of a girl, a dog, a chicken, and a boy on the packaging.

First Grade

Book Series

There are many more book series available for first graders than for kindergarteners, and that’s because by the end of first grade most students have learned nearly all of their basic phonics skills. These books are packed with high decodability that lines up with what they’ve practiced in class—think blends, vowel teams, and r-controlled vowels—so kids get tons of real-world reading practice. Plus, the books are short and approachable, making it easy for a first grader to power through an entire story in one sitting. Finishing a whole book on their own feels like a big win and keeps them excited to grab the next one in the series.

A children's book cover titled "Waiting Is Not Easy!" by Mo Willems, featuring an illustration of an elephant with glasses, resting its head on its hand, with a blue background and an orange banner at the top.

By the end of second grade, kids have learned all their phonics—including those trickier parts of words like prefixes and suffixes—so they’re ready to tackle almost any book that comes their way. That’s why there’s such a huge selection of reading options for second graders. From mysteries and fantasy adventures to sports stories and nonfiction, the possibilities feel endless. With so many engaging series to choose from, second graders can follow their interests, build confidence, and dive into bigger, richer stories that keep them coming back for more.

Second Grade

Book Series

Set of children's books titled "A Waffle Lot of Narwhal and Jelly" by Ben Clanton, with colorful cartoon illustrations of narwhals and jellyfish on the covers.

Third Grade

Book Series

By third grade, kids are reading fluently and can stay engaged with a book for longer stretches of time. Their interests also start to become more specific, which works out perfectly because a huge portion of children’s books are written at or above a third-grade level. That means there’s an incredibly wide selection to match every curiosity—adventure, humor, mystery, fantasy, you name it. Third-grade book series also introduce more complex plots, richer characters, and deeper themes, giving readers the chance to think critically while still having tons of fun turning the pages.

The Critter Club collection #2 book set with five books and a pink cover titled "The Critter Club" featuring four kids in winter clothing and a white dog.