hirespokemon: 1998, Mama, Papa and Granpa Gengar with their little Haunter by Aya Kusube 楠部文,
hirespokemon: 1998, Mama, Papa and Granpa Gengar with their little Haunter by Aya Kusube 楠部文, illustrations from ちいさなゴースト (The little ghost) in the series Pokémon Tales (ポケモンえほん Pokémon Picture Book) -- source link