Jeong Yi-sook: I like cleanliness, squeaky clean.

It was morning. The star felt a little bit heavy. “Dear, let’s wash and eat. “I’ll eat first. And so, the star went to kindergarten without even having to do it. Books can change our child's future. Aah! Huh? You've probably been embarrassed when our curious child suddenly asked you about sex. Read "The Smart Man" with them, talk to them, and approach them naturally in life. Sex education for our precious children is the most important thing to have a right attitude toward sex. Smart mom's smart choice is "Studying Sex Education Story" - Can I play with you guys the same kind of stupid skirts, pants, shitting, bathrooms that I used to be in between my friends? Let's learn from the smart sex stories that children naturally learn about sex through beautiful pictures and vivid stories. Read it with the talking Severen. A smart sex education fairy tale with two languages in Korean and English.

Korean title: 뽀드득 치카치카 청결한 게 좋아

Korean author: 정이숙

Korean publisher: 키움북스

ISBN-13: 9788968736377