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Mattel Press, in partnership with Simon & Schuster, has announced three children’s book 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 first books are available to preorder, while follow-up titles are scheduled for 2027 and 2028.
Mattel Press, working with Simon & Schuster, has announced three children’s book series planned for summer 2027, spanning a Rock ’Em Sock ’Em Robots graphic novel, a fantasy novel about five young witches, and an illustrated Chatty Cathy story. The publisher says all three first books are available to preorder, giving families an early look at new titles based on familiar Mattel properties and original characters.
The Rock ’Em Sock ’Em Robots series begins with We’re Gonna Need a Bigger Bot, written by Dustin Brady. As described by The Toy Book, the graphic novel follows the independent creators of Blue Bomber and Red Rocker as they compete to take control of Downs Town, using inventions and increasingly outlandish tactics. The book is intended for children aged five and up. A second title is scheduled for spring 2028.
Jen Calonita is the author of Moonspell School for Witches, a middle-grade fantasy centered on five girls taking part in the Witch Trials. The trials determine whether they can attend a legendary magical school. The story’s stated themes include friendship, belonging and individual strengths. The series is aimed at older tweens, and its next book is scheduled for fall 2028.
The third series opens with Rebecca Elliott’s Chatty Cathy and Planet Silent. Cathy Chatterson travels with her friends Benjamin Pinkles and Mr. Bulky to a planet without sound, where they encounter a Silence Beast. The story turns Cathy’s talkative nature—usually a source of trouble in the premise—into a possible advantage. Additional books are planned for October 2027 and spring 2028, according to The Toy Book.
Three Properties, Three Reading Formats
The announcement gives families and booksellers an early view of a varied children’s lineup: an action-comedy graphic novel for younger readers, a middle-grade fantasy for older tweens, and an illustrated adventure built around a classic Mattel character. That range may help readers choose by age, format and genre rather than by brand recognition alone.
The titles also extend Mattel properties into publishing through a partnership with Simon & Schuster. The schedules for later installments suggest the announcement covers more than one-off books: each project is presented as a series, with follow-up releases planned across 2027 and 2028. The announcement does not provide sales forecasts or say how many books each series will ultimately include.
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Mattel’s Publishing Partnership
The Toy Book reported the lineup as an announcement from Mattel Press, the publishing imprint working with Simon & Schuster. Its report identifies three upcoming series for young readers and says each first title is available to preorder. The books draw on the Rock ’Em Sock ’Em Robots and Chatty Cathy properties, alongside Calonita’s new witch-school story.
The release dates in the report are staggered. The initial books are presented as part of the summer 2027 lineup, while the series’ next installments are listed for October 2027, spring 2028 and fall 2028. The report directs readers to Simon & Schuster’s website for more information. It does not give specific publication days for the first books.
Release Details Still Pending
The announcement, as reported by The Toy Book, does not specify exact publication dates, prices, page counts, formats beyond the graphic novel and illustrated-book descriptions, or the preorder retailers. It also does not state whether the books will be available in every market or in additional editions.
Readers should treat the listed release windows as planned schedules, not guarantees. The report gives a target age for the Rock ’Em Sock ’Em Robots book and describes Moonspell as aimed at older tweens, but it does not supply precise age bands for every title. No author or publisher statements beyond the reported descriptions are included in the source material.
Preorders and Planned Follow-Ups
Readers can preorder the three announced books, according to The Toy Book, and consult Simon & Schuster’s website for further details. The next reported milestones are the first-book releases in summer 2027, followed by planned installments for Chatty Cathy in October 2027 and spring 2028, Rock ’Em Sock ’Em Robots in spring 2028, and Moonspell School for Witches in fall 2028.
Publication dates, preorder links and other product details may be clarified as the launch approaches. The current announcement does not confirm whether those schedules or the series plans will change.
Key Questions
What are the three new Mattel Press series?
They are a Rock ’Em Sock ’Em Robots graphic-novel series, Moonspell School for Witches, a middle-grade fantasy, and an illustrated Chatty Cathy adventure series.
When are the first books expected?
The lineup is presented as a summer 2027 release. The source report does not provide specific publication dates for the three first titles.
Are the books available to preorder?
Yes. The Toy Book reports that all three first books are available to preorder. It directs readers to Simon & Schuster’s website for more information.
What ages are the books 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 does not give a specific age range for the Chatty Cathy book.
When are follow-up books planned?
The reported schedules are spring 2028 for Rock ’Em Sock ’Em Robots, fall 2028 for Moonspell School for Witches, and October 2027 and spring 2028 for Chatty Cathy. These are planned windows, not confirmed exact publication dates.
Source: toybook.com
