KADOKAWA Corporation (Headquarters: Chiyoda-ku, Tokyo; President & CEO: Takeshi Natsuno) has released the latest installment in the globally popular children's book series "Magic Tree House," titled "[Full-Color New Edition] Magic Tree House: Mammoth and the Mysterious Caveman" (Author: Mary Pope Osborne, Translator: Masako Shikino, Illustrator: Ayana Amako), on July 8, 2026 (Wed).

The adventure this time takes place in the frigid "Ice Age" and... surprisingly, "Outer Space of the Future"!? Why not start a lifelong reading experience with this masterpiece bestseller that captivates children?

Highlights of the Adventure ★ This installment also features two thrilling stories!

【Story 1】 Heading to the frigid Ice Age on the way home from swimming class!?

To help Morgan, the master of the tree house, Jack and Annie land in the Ice Age! They find cave paintings in a Cro-Magnon dwelling and encounter furry animals like mammoths and giant deer.

【Story 2】 The year 2031!? Time slip to the zero-gravity moon surface

Next, they travel to the year 2031, to outer space of the future! Clad in state-of-the-art spacesuits, the two descend to the moon's surface. While moved by the footprints of the Apollo missions, what appears before them is... an unknown life form!?

Make this summer "Majitsuri" time! 3 Major Content Pieces to Boost Your Reading

This series has long been loved as "books that help elementary schoolers become engrossed in independent reading." All kanji characters have furigana, and full-color illustrations support reading. Furthermore, the series will be even more exciting this summer!

● Check out the Official Series Page!

The special page, which consolidates information for parents and children, is packed with new book information as well as articles useful for summer homework.

Special Page Here >>

● Recommended by Exam Prep Expert, Mr. Nishimura!

Mr. Nishimura, a popular instructor for junior high school entrance exams, gives his stamp of approval, saying, "Majitsuri can help you acquire the Japanese language skills you need to master this summer." Specific usage methods are being released. ★ Part 1 is now available, and Part 2 is scheduled for release this summer!

Mr. Nishimura's Article Here >>

● Special Promotional Materials Rolling Out at Select Bookstores!

At some stores, exciting "Magic Tree House" displays are planned! This summer, Jack and Annie are coming closer to everyone--? Please be sure to look for a bookstore near you.

(※ Please refrain from inquiring at individual bookstores)

Book Information

Title: [Full-Color New Edition] Magic Tree House: Mammoth and the Mysterious Caveman

Author: Mary Pope Osborne

Translator: Masako Shikino

Illustrator: Ayana Amako

Release Date: July 8, 2026 (Wed)

Price: 1,540 yen (1,400 yen + tax)

Format: 46 size

Pages: 168 pages

ISBN: 978-4-04-811658-9

Publisher: KADOKAWA Corporation

KADOKAWA Children's Book Portal Site "Yomeruba" Bibliographic Details Page >>

【Also Check Out】 New Editions 1-3 Also Popularly Available in Full Color!

Three books from the same series, "The Great Dinosaur Race," "The Mystery of the Egyptian Queen," and "Amazon Adventure," are also on sale.

A "Present Campaign" to support summer reading is currently underway!

The application period has been extended to the end of August 2026, so please apply!

▼ For Campaign Details, Applications, and Inquiries, Click Here

https://yomeruba.com/campaign/present/entry-107692.html

FACT BOX

  • Source: PR TIMES
  • Category: 新刊情報