A set of 4 books from Fukuinkan Shoten's "Kodomo no Tomo, Shonen-ban" series. 1) Maru Maru (Circles, Circles) By: Etsuko Nakatsuji Published: May 2020 (Originally published October 1993) 2) Kuma to Risu no Oyatsu (Bear and Squirrel's Snack) Written by: Eriko Kishida, Illustrated by Seiichi Horiuchi and Momiko Published: June 2020 (Originally published May 1989) 3) Himawari (Sunflower) By: Shizuko Wakayama Published: August 2020 (Originally published August 2001) 4) Oyasumi Nasai Kokko-san (Good Night, Little Hen) Written and Illustrated by: Ken Katayama Published: October 2020 (Originally published September 1982) Read only 1-2 times. The name field on the back was filled in, so it has been erased with an eraser, and there is some eraser abrasion. [Regarding Purchase] Instant purchase is OK without comments. Will be shipped with simple packaging. For those who wish to purchase individually, it will be 300 yen per book. Please let me know in the comments. If you have any concerns about the condition of the product, please check in the comments before purchasing.