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Mattel Press, working with Simon & Schuster, has announced three children’s series planned for summer 2027: a Rock ’Em Sock ’Em Robots graphic novel, a middle-grade fantasy about young witches, and an illustrated Chatty Cathy adventure. The books are available to preorder; follow-up titles are scheduled from October 2027 through fall 2028.
Mattel Press and Simon & Schuster have announced three children’s book series planned for summer 2027, extending the Mattel imprint’s publishing lineup across graphic novels, middle-grade fantasy and illustrated adventure. The announced projects draw on the Rock ’Em Sock ’Em Robots and Chatty Cathy properties, alongside a new story about five young witches; all three first books are available to preorder, according to The Toy Book.
The graphic novel, We’re Gonna Need a Bigger Bot, launches a Rock ’Em Sock ’Em Robots series written by Dustin Brady. Its story follows two independent creators of Blue Bomber and Red Rocker as they compete for control of Downs Town using inventions and increasingly outlandish tactics. The Toy Book reports that the book is intended for children aged five and up. A second title in the series is scheduled for spring 2028.
Moonspell School for Witches, by Jen Calonita, follows five girls taking part in the Witch Trials to find out whether they will attend a legendary magical school. The publisher’s description, as reported by The Toy Book, emphasizes the characters’ different strengths and the importance of working together. The series is aimed at older tweens, and its next book is planned for fall 2028.
The third title, Chatty Cathy and Planet Silent, is an illustrated book by Rebecca Elliot. Cathy Chatterson travels with Benjamin Pinkles and Mr. Bulky to a planet without sound, where they encounter a creature called the Silence Beast. The story turns Cathy’s talkativeness—usually a source of trouble—into a possible advantage. The report says further books are planned for October 2027 and spring 2028. Simon & Schuster lists the books for preorder, according to The Toy Book.
Three Mattel Worlds Enter Children’s Books
The announcement gives families and young readers three distinct options built around familiar play properties and an original fantasy concept. The lineup spans a graphic novel intended for younger children, a fantasy series aimed at older tweens and an illustrated adventure, allowing the imprint to address different reading interests and age groups rather than relying on a single format.
For Mattel, the projects extend the reach of its properties into books, while the partnership with Simon & Schuster connects the titles to an established publisher. The release schedule also points beyond the first books: planned follow-ups stretch from October 2027 to fall 2028. The announcement does not establish how the books will perform or whether additional adaptations are planned, but it confirms an effort to build continuing series around the concepts.
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A Publishing Slate Across Three Formats
The Toy Book reported that the three series are part of Mattel Press’s upcoming young-readers lineup, developed with Simon & Schuster. They use different approaches: Rock ’Em Sock ’Em Robots becomes a graphic-novel adventure; Moonspell School introduces a school-and-trials fantasy; and Chatty Cathy returns in an illustrated journey. The available report describes the premises, intended readership for two titles and projected dates for later installments.
The announced schedule is staged rather than limited to a single launch. The first books are presented as part of the summer 2027 slate, while later installments are listed for October 2027, spring 2028 and fall 2028. The Toy Book says all three first titles can be preordered and directs readers to Simon & Schuster’s website for further information.
“All three books are available to preorder.”
— The Toy Book’s report on Mattel Press’s lineup
Publication Details Still Await Confirmation
The source report does not provide exact publication dates for the three first books beyond placing them in the summer 2027 lineup. It also does not list prices, page counts, ISBNs, preorder shipping dates or the specific retailers carrying the titles. Those details may be available through the publisher’s listings, but they are not included in the material used for this report.
The announced follow-up dates are release plans, not confirmation that the later books have already been published. The report does not say whether the schedules could change, how many books each series will contain, or whether further titles will be commissioned. Readers should treat the stated dates as the current schedule provided in the announcement coverage.
Preorders Lead Into 2027 Releases
Readers can preorder the three announced books now, according to The Toy Book. The first installments are scheduled for summer 2027; the report does not give more precise dates. Simon & Schuster’s website is identified as a place to find more information about the series.
After the initial releases, the reported schedule calls for another Chatty Cathy book in October 2027, a Rock ’Em Sock ’Em Robots installment in spring 2028, and a second Moonspell School for Witches book in fall 2028. Further publisher details, including exact on-sale dates and retail information, remain to be announced in the source material.
Key Questions
Which three series did Mattel Press announce?
The lineup includes a Rock ’Em Sock ’Em Robots graphic-novel series, Jen Calonita’s Moonspell School for Witches, and Rebecca Elliot’s illustrated Chatty Cathy series.
When are the first books expected?
The report places all three first books in the summer 2027 publishing lineup. It does not provide exact on-sale dates.
Can readers preorder the books?
Yes. The Toy Book reports that all three books are available to preorder and points readers to Simon & Schuster for more information.
What ages are the books intended for?
The Rock ’Em Sock ’Em Robots graphic novel is intended for children aged five and up. Moonspell School for Witches is aimed at older tweens. The source report does not specify an age range for Chatty Cathy and Planet Silent.
When are follow-up books planned?
The reported schedule lists a Chatty Cathy follow-up for October 2027, a Rock ’Em Sock ’Em Robots book for spring 2028 and a Moonspell School for Witches book for fall 2028.
Source: toybook.com
