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Mattel Press, in partnership with Simon & Schuster, has announced three children’s book series scheduled to begin in summer 2027. The lineup includes a Rock ’Em Sock ’Em Robots graphic novel, a middle-grade story about young witches and an illustrated Chatty Cathy adventure; all three books are available to preorder, according to The Toy Book.
Mattel Press and publishing partner Simon & Schuster have announced three new children’s book series expected to launch in summer 2027, spanning a Rock ’Em Sock ’Em Robots graphic novel, middle-grade fiction about young witches and an illustrated Chatty Cathy adventure. The titles extend familiar Mattel properties into books for young readers, and The Toy Book reports that each is available to preorder.
The first series, Rock ’Em Sock ’Em Robots: We’re Gonna Need a Bigger Bot, is a graphic novel by Dustin Brady. The story follows two independent creators of Blue Bomber and Red Rocker as they compete for control of Downs Town, using inventions and increasingly absurd tactics against one another. The Toy Book says the graphic novel is intended for children aged five and up. A second title in the series is planned for spring 2028.
Moonspell School for Witches, written by Jen Calonita, follows five young witches taking part in trials to determine whether they will attend a legendary magical school. The girls bring different strengths to the challenge and learn to work together, according to the report. The series is aimed at older tweens, and its next book is scheduled for fall 2028.
The third series begins with Rebecca Elliot’s illustrated book Chatty Cathy and Planet Silent. Cathy Chatterson travels with friends Benjamin Pinkles and Mr. Bulky to a soundless planet where they encounter a creature called the Silence Beast. The story turns Cathy’s talkativeness—usually a source of trouble—into a potential strength. The report lists further books in this series for October 2027 and spring 2028.
Mattel Properties Move Into Children’s Books
The announcement brings three recognizable Mattel properties and story concepts into a multi-book publishing lineup, rather than offering a single standalone release. The different formats and age ranges give families and booksellers several kinds of stories to consider: an action-led graphic novel for younger children, a fantasy series for older tweens and an illustrated adventure built around a familiar character.
The publication schedule also stretches beyond the initial releases. Follow-up titles for all three series are listed for 2027 or 2028, giving readers a sense of the planned continuation. These are announced plans, however; the information supplied does not confirm that future dates cannot change, nor does it report sales expectations or audience response.
For caregivers choosing books, the age guidance in the announcement is a useful starting point, not a substitute for reviewing each book’s content and format for an individual reader. The Toy Book identifies the Rock ’Em Sock ’Em Robots graphic novel as suitable for ages five and up and describes Moonspell School for Witches as aimed at older tweens. It does not provide a precise age range for the Chatty Cathy title.
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Three Series, Three Story Formats
The lineup pairs Mattel Press with Simon & Schuster, which is identified in The Toy Book report as the publishing partner. The projects adapt or draw on different kinds of material: Rock ’Em Sock ’Em Robots is a toy property reworked as a graphic novel, Chatty Cathy is presented through a new illustrated adventure, and Moonspell School for Witches introduces a fantasy premise about friendship and magical trials.
The report gives more than one point on the publication timeline. The first books are described as part of a summer 2027 lineup, while the Chatty Cathy series has another installment listed for October 2027. Follow-up books are also scheduled for spring and fall 2028. The supplied material does not give exact publication days for the first books, so summer 2027 is the available timing rather than a confirmed release date.
The announcement is reported by The Toy Book, which says all three books can be preordered and directs readers to Simon & Schuster’s website for more information. The source material does not include publisher listings, prices, ISBNs, page counts or detailed production information.
“The publishing imprint, in partnership with Simon & Schuster, shared three upcoming book series for the young readers category.”
— The Toy Book, reporting on Mattel Press’s lineup
Release Dates and Book Details
The available report does not specify exact publication dates for the first three books, only a summer 2027 launch window. It also does not provide prices, page counts, ISBNs, formats beyond the descriptions given, or detailed preorder terms. The reported preorder availability is not accompanied by links to individual product listings in the supplied source material.
Some audience information is also limited: the graphic novel is described as intended for ages five and up, and Moonspell School for Witches is aimed at older tweens, but no exact age guidance is supplied for Chatty Cathy and Planet Silent. The publisher has not, in the material provided, issued direct statements on expected sales, print runs or whether the announced schedules are subject to change.
Preorders and 2028 Follow-Ups
Readers can check Simon & Schuster’s website for further information and preorder listings, as directed by The Toy Book. The next listed milestones are the books’ expected summer 2027 releases, followed by additional titles: Chatty Cathy in October 2027, Rock ’Em Sock ’Em Robots in spring 2028 and Moonspell School for Witches in fall 2028. Exact release dates and further book details have not been provided in the source material.
Key Questions
Which three series did Mattel Press announce?
The announced series are Rock ’Em Sock ’Em Robots, Moonspell School for Witches and Chatty Cathy, published in partnership with Simon & Schuster, according to The Toy Book.
When are the first books expected to be published?
The first titles are listed for summer 2027. The report does not give exact publication days.
What age groups are the books for?
The Rock ’Em Sock ’Em Robots graphic novel is described as intended for children aged five and up. Moonspell School for Witches is aimed at older tweens. The report does not state a specific age range for the Chatty Cathy book.
Are the books available to preorder?
Yes. The Toy Book reports that all three books are available to preorder and directs readers to Simon & Schuster’s website for more information. The supplied report does not include prices or individual listing details.
When are later books in the series planned?
The report lists another Chatty Cathy book for October 2027, a Rock ’Em Sock ’Em Robots follow-up for spring 2028 and a Moonspell School for Witches follow-up for fall 2028.
Source: rss
