Detective Series 15-book set. Possibly "Meitantei" (Detective) → Cover missing "Itsunomanika Meitantei" (Detective Before You Know It) → Pages 6-9 colored (see photo) "Donna Toki mo Meitantei" (Detective Always) "Sonna Wake de Meitantei" (That's Why Detective) "Mattemashita Meitantei" (Detective We've Been Waiting For) "Kaettekita Meitantei" (The Detective Returns) "Ameagari no Meitantei" (Detective After the Rain) "Yoi Don de Meitantei" (Detective Ready, Set, Go!) "Hiru mo Yoru mo Meitantei" (Detective Day and Night) "Sekaiichi no Meitantei" (The World's Best Detective) "Jiken da yo! Zen'in Shugo" (It's a Case! Everyone Gather) "Ten'yawan'ya Meitantei" (Detective in a Frenzy) "Totteoki no Meitantei" (Special Detective) "Furikaereba Meitantei" (Detective When I Look Back) "Arashi o Yobu Meitantei" (Detective Calling the Storm) There are no noticeable scratches inside, but there are fine scratches and stains on the covers. I have checked for anything else before listing, but there may be some oversights. This is a used item, so the price reflects that. Please understand this before purchasing.