Youkai Dai Saiban (Great Youkai Trial) - Gegege no Kitaro 1 Youkai Gundan (Youkai Army) - Gegege no Kitaro 2 Youkai Dai Senso (Great Youkai War) - Gegege no Kitaro 3 Youkai Hanmono (Youkai Cloth) - Gegege no Kitaro 6 Kappa Senichiya (Kappa Thousand and One Nights) Shigeru Mizuki Chikuma Bunko Published 1993-1994 These items have been stored at home for a long time. There is some yellowing and wear, but there is no problem with reading them. Please understand that these are used books.