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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 fantasy series about young witches and an illustrated Chatty Cathy adventure; all three books are available to preorder, according to The Toy Book.
Mattel Press has announced three new children’s book series planned for summer 2027, expanding its publishing partnership with Simon & Schuster. The lineup brings the Rock ’Em Sock ’Em Robots and Chatty Cathy properties to books, alongside a middle-grade fantasy series about five young witches; all three first titles are available to preorder, according to The Toy Book.
The first announced title is We’re Gonna Need a Bigger Bot, a graphic novel by Dustin Brady based on Rock ’Em Sock ’Em Robots. The story follows the independent creators of Blue Bomber and Red Rocker as they compete to take control of Downs Town, using inventions and increasingly outlandish methods. The Toy Book says the book is intended for children aged five and up. A second title in the series is scheduled for spring 2028.
Jen Calonita’s Moonspell School for Witches follows five girls taking part in Witch Trials to determine whether they can attend a legendary magical school. The premise emphasizes the characters’ different strengths and the value of working together. The series is aimed at older tweens, and its next book is scheduled for fall 2028.
The third series begins with Chatty Cathy and Planet Silent, an illustrated book by Rebecca Elliot. Cathy Chatterson travels with Benjamin Pinkles and Mr. Bulky to a silent planet where they encounter a Silence Beast. The story turns Cathy’s talkativeness—described in the report as something that usually gets her into trouble—into a possible advantage. The Toy Book reports that further books are planned for October 2027 and spring 2028. Simon & Schuster is listed as Mattel Press’s publishing partner, and preorder information is available through the publisher’s website.
Mattel Properties Enter Children’s Publishing
The announcement gives families and young readers a preview of three distinct formats and audiences within one publishing slate: an early-reader graphic novel, a fantasy series for older tweens and an illustrated adventure. For retailers and caregivers, the age guidance and planned follow-up dates offer an initial indication of how the books are positioned, though full publication details may affect purchasing decisions.
The titles also extend two familiar Mattel properties into book stories. Rock ’Em Sock ’Em Robots and Chatty Cathy are the basis for new fictional adventures, while Moonspell School for Witches is presented as an original fantasy premise. The reported themes of teamwork, friendship and individual strengths may help readers identify which series suits their interests, but the descriptions available so far are not a substitute for reading the books or seeing their complete contents.
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Three Series, Different Reading Audiences
The Toy Book’s report describes the projects as part of Mattel Press’s upcoming young-reader lineup, developed with Simon & Schuster. The three announcements are grouped together, but they have separate authors, story premises and follow-up schedules. The first instalments are associated with a summer 2027 release window; the supplied report does not provide exact publication dates for those books.
The announced sequels extend across 2027 and 2028: Chatty Cathy titles are planned for October 2027 and spring 2028, while the next Rock ’Em Sock ’Em Robots book is slated for spring 2028 and the next Moonspell book for fall 2028. These are reported plans, not guarantees that dates cannot change. The report says all three initial titles can be preordered now and directs readers to Simon & Schuster for more information.
Publication Details Still Pending
The available report does not give exact on-sale dates, prices, page counts, formats beyond the descriptions provided, or full preorder terms. It also does not include direct comments from Mattel Press, Simon & Schuster or the authors, so the reasons behind the selection of these properties and the publishers’ broader plans for the imprint are not established by the source material.
Release timing for the first books is described as summer 2027, while later instalments are assigned seasons or, for one Chatty Cathy title, a month and season. Those schedules are reported plans and may be revised. The source does not confirm whether additional books or related products will be announced.
Preorders and Release Schedule
Readers can check Simon & Schuster’s website for current preorder listings and any updates to publication information. The next stated milestones are the first titles’ planned summer 2027 releases, followed by a Chatty Cathy instalment in October 2027. The report lists further books in spring 2028 for Rock ’Em Sock ’Em Robots and Chatty Cathy, and fall 2028 for Moonspell School for Witches.
Exact publication dates and additional product details have not been provided in the source report. Readers should consult publisher listings as the release windows approach for confirmation of availability and any schedule changes.
Key Questions
What are the three series Mattel Press announced?
The announced series are a Rock ’Em Sock ’Em Robots graphic novel, Moonspell School for Witches and a Chatty Cathy series beginning with Chatty Cathy and Planet Silent.
When are the first books expected?
The books are planned for summer 2027, according to The Toy Book. Exact publication dates were not included in the report.
Are the books available to preorder?
Yes. The Toy Book reports that all three first titles are available to preorder and directs readers to Simon & Schuster for more information. Availability and terms should be checked with the publisher or bookseller.
What ages 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.
When are follow-up books planned?
The report lists additional Chatty Cathy books for October 2027 and spring 2028, a second Rock ’Em Sock ’Em Robots title for spring 2028, and another Moonspell book for fall 2028. These are planned windows, not confirmed exact release dates.
Source: toybook.com
