The Japanese version of the “The mathematics bus” series, published by PHP Institute, was released in Japan in December 2021.

“The mathematics bus” series (6 volumes)

Math bus and the guys passing through the time channel and started a journey of adventure…….
Remarkable story and interesting illustrations sparked the fire of learning inside the mind of little readers. Clock, is always the very first beginning of learning time by any children.
This book emerges delicately every essential knowledge about time into story details, such as minutes, seconds, and the relationship among each other as long as the development of chronicle tools, time as a factor in our daily life, and the timers in our jobs.

Reviewed by SAKURAI Susumu, the Mathematician

Sakurai Susumu, born in 1968 in Higashine shi, Yamagata ken, Japan. Graduated from Department of Mathematics, College of Science, Tokyo Institute of Technology. Currently working as lecturer in Tokyo Institute of Technology, Academy of Arts, College of Japan. Expertise in Differential analysis science, math physics, and math economy. He published many titles including “Adventure of math world series,” “Super funny math keeps you awake,” “Math puzzle you can play 24 hours a day,” “Math is truly funny,” etc.