Written by Oh Ju Young and Illustrated by Shim Yoon


This book picks up math as a material to present the recovery of relationship and the friendship between two kids and by doing so, the story is much more attractive to readers. And the addition has naturally assimilated into the story. As a result, it is all the more outstanding in terms of readers being able to check out the concept of numbers and mathematical signs. If these two kids ordinarily resolve math problems, they would have been caught by Baco. However, thanks to the unique way of addition of Namudal, they could recover the hardships well. Through this scene, children will be able to realize that it is not always right that the correct answer can solve the problem, but sometimes, the unexpected and unique answer can be the key to solve the problem.