Survival: Time Warp Series - A set of two children's picture books themed on Japanese history. - Title: Time Warp to the Ninja World - Title: Time Warp to the Edo Culture My child took these to school and read them, so there are some scratches on the covers. Please check the images. There are tape marks on the inside of the back cover because they were covered with a clear cover. Please purchase if you understand that these are used items and have been stored at home. No pets, non-smoking household. Please read my profile before purchasing. Available for immediate purchase.