A series of books containing explanations about extinct animals. I am selling these as I declutter due to moving. There appear to be no particularly noticeable stains, but these are used items. Please check the images and consider purchasing only if you are satisfied. - Title: We Went Extinct for a Reason. - Sequel Title: We Went Extinct for a Reason, Continued. - Author: Tadaaki Imaizumi - Author (Sequel): Takashi Maruyama - Language: Japanese - Content: Explanations about extinct animals - Series: Extinction Series Thank you for looking.