The second volume of the “Travelling the Earth: Historical Period Series” is “Sengoku”! This comprehensive guide to the must-have spots related to Japan’s Sengoku period is a must-have for history fans.

The second installment of the “Traveling the World: Historical Periods Series” is the Sengoku Period! A must-have guide for history fans, offering a comprehensive guide to the must-have spots related to Japan’s Sengoku period. ​ Image
URL: Gakken Holdings Co., Ltd. Press release: October 23, 2025 To Members of the Press The second installment of the “Traveling the World: Historical Periods Series” is the “Sengoku Period”! A must-have guide for history fans, this comprehensive guide to the must-have spots related to Japan’s Sengoku period (Warring States period) is a must-have for history buffs. The new “Travelling the World: Historical Period Series” series, which takes you on a journey through history, has been well-received! The second installment is the heartwarming “Warring States period.” Set out on a journey to visit famous castles, trace battle sites, and enjoy the tumultuous Warring States period! Gakken Holdings Co., Ltd. (Shinagawa, Tokyo / President and CEO: Hiroaki Miyahara), a group company of Gakken Holdings Co., Ltd. Chikyu no Arukikata (Shinagawa, Tokyo; President and CEO: Kunihiro Arai) released “Sengoku” in bookstores nationwide and online on Thursday, October 23, 2025. This is the latest installment in the “Chikyu no Arukikata Historical Period Series,” following the first installment, “The Habsburg Empire.”
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■The second installment of the “Historical Period Series,” “Sengoku,” is here! Beyond the door that transcends time lies the dreams of warriors. Following the first installment of the new “Travelling the Earth: Historical Periods Series,” “The Habsburg Empire,” the second installment focuses on the Sengoku period, a staple theme for history buffs. This comprehensive guide covers castles and castle ruins across Japan, historical sites associated with famous warlords, exhibition facilities, and other must-see spots related to the Sengoku period. It also includes a model itinerary for a trip that will give you a taste of the Sengoku period, basic knowledge about the period, tips for visiting castles and weapons, and explanations of history and culture, making it a must-have for both Sengoku fans and domestic travel enthusiasts. The foldout at the end of the book includes a map of major castles across the country and a timeline of the Sengoku period! ▼Full of information to help you enjoy your “Sengoku Exploration” journey In addition to castles, it also introduces ancient
battlefields, temples and shrines associated with famous warlords, museums, hot springs, and products, foods, and cuisine that have been around since the Sengoku period (or at least the Edo period). It’s a practical historical tourism guide.
https://prcdn.freetls.fastly.net/release_image/2535/8299/2535-8299-7a9ab8da61880abe0cae467775ec7f6b-3900×3034.jpg ▼ Packed with information you need to understand and enjoy the Sengoku period! We’ve strived to create a page that’s also packed with content for reading, with sections like “Basic knowledge about castles,” “Tips and tricks for appreciating military equipment,” and “A basic review of the Sengoku period.”
https://prcdn.freetls.fastly.net/release_image/2535/8299/2535-8299-a9cc4526335925d9a5912279656423dd-3900×3034.jpg ▼ Sightseeing spots page divided by area! Explains the main events of the Sengoku period in each region, including who lived there and what path they took. Next, suggests a travel plan for a roughly two-day tour, focusing on the region’s famous warlords and facilities. Sightseeing spots are introduced by prefecture.
https://prcdn.freetls.fastly.net/release_image/2535/8299/2535-8299-c51b31a8f9001662c2046fa9791f33c9-3900×3034.jpg ▼ Time travel without arousing suspicion!? The back of the cover features a “Kin-hemp leaf pattern,” which is believed to ward off evil and misfortune. The title is also handwritten, so you’re sure to enjoy a comfortable journey without arousing suspicion even if you time travel.
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https://prcdn.freetls.fastly.net/release_image/2535/8299/2535-8299-cf765d53a41ac648fd4219db86b3de0a-771×1199.jpg ■ How to walk around the world Historical Period Series “Sengoku” Author: Chikyu no Arukikata Editorial Office Price: ¥2,420 (tax included) Release date: October 23, 2025 Format: A5 variant, 272 pages fold-out Digital version: Available ISBN: 978-4-05-802546-8 Publisher: Chikyu no Arukikata Co., Ltd. Distributor: Gakken Co., Ltd. Arukikata:https://www.arukikata.co.jp/guidebook/313407/ Gakken Publishing Site:https://hon.gakken.jp/book/2080254600 【Purchase this book here】 ・Amazon https://hon.gakken.jp/amazon/shop/1/2080254600 ・Rakuten Books https://books.rakuten.co.jp/rb/18294673/ ・Kindle https://www.amazon.co.jp/dp/B0FG3JG3FN/ ・Rakuten Kobo
https://books.rakuten.co.jp/rk/63008f14cdaf35099a42bd315ab5b0a3/ ■Arukikata. Co., Ltd. https://www.arukikata.co.jp/company/ ・President and CEO: Kunihiro Arai ・Date of incorporation: December 1, 2020 (operations commenced January 1, 2021) ・Capital: 5 million yen ・Address: 2-11-8 Nishigotanda, Shinagawa-ku, Tokyo 141-8416 ・Business activities: “Chikyu no Arukikata” publishing and related businesses, travel marketing, and non-life insurance agency business ■GAKKEN HOLDINGS CO., LTD.) https://www.gakken.co.jp/ ・President and CEO: Miyahara Hiroaki ・Date of incorporation: March 31, 1947 ・Capital: 19,817 million yen ・Sales: 185.5 billion yen, 79 consolidated subsidiaries (fiscal year ending September 2024) Listed on the Prime Market of the Tokyo Stock Exchange (Stock Code: 9470) ・Address: 141-8510 2-11-8 Nishigotanda, Shinagawa-ku, Tokyo ・Telephone: 03-6431-1001 (Main) ・Business Description: Holding company established in 1946, engaged in education, medical care, and welfare-related businesses. Education: Classroom and cram school operations, including “Gakken Classrooms,” Publishing and content operations, such as educational materials, Preschool and school operations, such as textbooks and childcare supplies, Medical and Welfare: Serviced housing for the elderly, Dementia group homes, Childcare support operations, such as nurseries and after-school programs, Global: Activities and operations in over 150 countries.