[Series Cumulative Sales Exceed 1 Million Copies] Popular Reading Comprehension Drills 'Extinct Creatures' and 'Amphibians & Reptiles' Now on Sale! Latest Installments in the 'Yuruyuru Encyclopedia' Series!

Gakken Co., Ltd. (Shinagawa, Tokyo / President: Tatsuya Nanjyo), a group company of Gakken Holdings Co., Ltd. (Shinagawa, Tokyo / President & CEO: Hiroaki Miyahara), released 『ゆるゆる図鑑　読解力ドリル　絶滅生物　低学年』 (Yuruyuru Encyclopedia Reading Comprehension Drill: Extinct Creatures for Lower Grades) and 『ゆるゆる図鑑　読解力ドリル　両生類・爬虫類　低学年』 (Yuruyuru Encyclopedia Reading Comprehension Drill: Amphibians & Reptiles for Lower Grades) on March 2, 2026.

■ Understand creature ecology through easy-to-read text and naturally improve reading comprehension!

The 'Yuruyuru Encyclopedia Reading Comprehension Drill' series continues to gain fans among parents and children, with the understanding that 'children are more motivated to learn when it's about something they like.' The latest installments focus on the surprising 'Extinct Creatures' that once inhabited Earth and the fascinating 'Amphibians & Reptiles' with their unique ecologies.

The 'Extinct Creatures' book features texts about creatures that can no longer be seen, ranging from trilobites that went extinct hundreds of millions of years ago to the Japanese wolf, which lived until recently. It also includes many endangered species, providing an opportunity to think about our relationship with living things.

The 'Amphibians & Reptiles' book delves into the ecology of amphibians and reptiles, which have become popular as pets in recent years, featuring colorful poison dart frogs and uniquely-looking frilled-neck lizards.

Based on the 'Yuruyuru Encyclopedia' series, which has surpassed 1 million copies in cumulative sales, this series features texts rewritten for lower elementary school grades, making it perfect for first-graders' first steps in reading comprehension.

■ 'Sparkle Stickers & Poster' to spark learning motivation!

As a special introductory bonus, each book includes 20 sparkle stickers of the creatures featured and a poster. By placing a sparkle sticker on the poster after completing each lesson, children can learn enjoyably and systematically every day. This drill is sure to ignite children's desire to 'complete the poster by sticking on the sparkle stickers!' and 'solve more problems!', making home study, which can often be a challenge, more engaging.

※There are no stickers for the 21st lesson, as it is a special feature.

FAQ

What are the new books in the 'Yuruyuru Encyclopedia' Reading Comprehension Drill series?

The new books are 'Yuruyuru Encyclopedia Reading Comprehension Drill: Extinct Creatures for Lower Grades' and 'Yuruyuru Encyclopedia Reading Comprehension Drill: Amphibians & Reptiles for Lower Grades'.

What is the target age group for these new books?

These books are designed for lower elementary school grades, making them suitable for first-graders and young learners.

What are the special features included in these drills?

Each book comes with 20 sparkle stickers of the featured creatures and a poster. Completing lessons allows children to place stickers on the poster, making learning more engaging and systematic.

What is the cumulative sales figure for the 'Yuruyuru Encyclopedia' series?

The 'Yuruyuru Encyclopedia' series has surpassed 1 million copies in cumulative sales.

What topics are covered in the 'Extinct Creatures' book?

The 'Extinct Creatures' book covers creatures that are no longer alive, from ancient beings like trilobites to more recent ones like the Japanese wolf, and also includes endangered species.

What kind of creatures are featured in the 'Amphibians & Reptiles' book?

The 'Amphibians & Reptiles' book focuses on the ecology of popular amphibians and reptiles, such as poison dart frogs and frilled-neck lizards.

Back to Newsroom (957)