Bam and Kero Series Mini, Small Size Set of 4 Picture Books No covers - Title: Bam and Kero's Shopping - Title: Bam and Kero's Sky Trip - Title: Bam and Kero's Cold Morning - Title: Bam and Kero's Sunday - Author: Yuka Shimada As shown in the photos, there are some scratches on the sides, but otherwise, I think they are relatively clean. For those who understand that these are used children's items, thank you.