This is an 8-volume series of "Kaiketsu Zorori," a fun picture book for children. - Series Name: Kaiketsu Zorori - Author: Yutaka Hara - Volumes: 8 total - Content: Children's picture book - Color: Multicolor - Size: Standard picture book size Thank you for looking. Please understand that these are used items that have been used by a child. Some volumes may not have covers.