Eiken Writing Preparation Books to Cultivate Writing Ability, Not Just Memorization – "Kobun Tankyu Series Eiken Summary & Composition 50-Day Marathon" Released!

Gakken Holdings Co., Ltd. (Shinagawa, Tokyo / Representative Director and President: Hiroaki Miyahara), and its group company, Gakken Co., Ltd. (Shinagawa, Tokyo / Representative Director and President: Tatsuya Nanjo), released a total of three books on April 27, 2026: "Kobun Tankyu Eiken Grade 1 Summary & Composition 50-Day Marathon," "Kobun Tankyu Eiken Pre-1 Summary & Composition 50-Day Marathon," and "Kobun Tankyu Eiken Grade 2 Summary & Composition 50-Day Marathon."

**■ "Kobun Tankyu Series" Released: Cultivating Writing Ability Itself, Not Just Relying on Memorization**

---Writing ability can be changed in just 50 days.

By "writing" correct and logical English, learners can acquire writing skills that lead to passing Eiken and further English study.

**▲ "Kobun Tankyu Series" Grade 1, Pre-1, Grade 2**

**◆ Point 1 ◆ 4-Step Learning Method to Build from Basics**

To improve writing skills in 50 days, this book adopts a 4-step learning design.

**[Chapter 1] Short Sentence Training / [Chapter 2] One-Sentence Summary** Over a total of 20 days (10 days each), these chapters enhance basic writing skills. The focus is on "writing correctly and summarizing accurately by reading," helping learners get accustomed to writing short sentences.

**▲ [Chapter 1] Short Sentence Training ▲ [Chapter 2] One-Sentence Summary**

**[Chapter 3] Summary Questions / [Chapter 4] Composition Questions** Over a total of 30 days (15 days each), practice is conducted in the same format as actual exam questions.

The topics are narrowed down to those frequently appearing in Eiken exams.

**▲ [Chapter 3] Summary Questions ▲ [Chapter 4] Composition Questions**

**◆ Point 2 ◆ Dedicated Commentary to Support the 50-Day Marathon**

In [Chapter 3] and [Chapter 4], which follow the actual exam format, author Mr. Nakayama provides dedicated commentary to guide learners through the 50-day marathon.

In [Chapter 3], the overall summary is further subdivided, and explanations are provided for the summary sentences of each paragraph. "Paraphrasing Pickups" and "Expression Pickups" cover a wide range of essential paraphrasing expressions, from vocabulary level to sentence structure.

In [Chapter 4], model answers and explanations are provided for both affirmative and negative opinions. Parts of the model answers that deserve special attention are explained as "Composition Pickups" covering sentence structure and grammar. Additionally, particularly important grammar points are carefully explained by Mr. Nakayama in both Chapter 3 and 4 as "Grammar One-Point Tips."

Furthermore, each Chapter is richly packed with expressions that enhance writing ability, such as "Useful Expressions" and "Words to Master."

**◆ Point 3 ◆ Includes AI Instant Feedback Service by "Recipy"**

Through collaboration with "Recipy," an AI English learning app chosen by 2.7 million people*, AI instant scoring and feedback become possible!

"Recipy," an app that advocates the concept of "Learn what you love," provides English learning based on each learner's "interests and concerns." It continues to evolve with functions optimized for Japanese English learners, such as the AI-driven curriculum generation feature "My Recipy."

*Cumulative downloads (as of August 2025) / Survey by Polyglots Co., Ltd.

▼ Click here for a more detailed explanation of "Recipy" https://www.polyglots.net/app/recipy/index.html

▼ Download the "Recipy" app here App Store: https://itunes.apple.com/jp/app/ying-yuridinguapuripolyglots/id877494771 Google Play: https://play.google.com/store/apps/details?id=net.polyglots&hl=ja

In this book, for [Chapter 4] English composition problems, you can use "Recipy"'s AI instant feedback service. Let's further enhance your writing skills with AI-based feedback on your handwritten English sentences.

**▲ Scan handwritten English sentences with the app and get scored**

In feedback and revisions, AI points out grammatical errors and unnatural vocabulary, offering suggestions for more "Eiken-like" refined expressions. Moreover, scores are calculated in 5 stages from S to D based on 4 aspects: "content, structure, vocabulary, and grammar," allowing you to visualize your own ability.

**▲ From left: feedback screen, feedback, model answer**

Utilize "Recipy"'s AI feedback to pass Eiken!

Also, purchasers of this book exclusively receive a 1-month standard plan for "Recipy."