Why? : Poisonous animals & plants = hewan dan tanaman beracun / Soon-Eun Jeong ; cartoon by Hoe-Seok Song ; alih bahasa, Suhud Amarullah. Why ? hewan & tanaman beracun / Jeong, Soon-Eun ; alih bahasa, Suhud Amarullah ; ilustrasi oleh Song, Hoe-Seok Why? : kotoran / written by Heo Soon Bong ; cartoon by Song Hoe Seok ; alih bahasa, Deni Supriadi Aku bisa jadi kaya dan sukses / Jeong Soon Eun, Song Jin Wook ; penerjemah, Herlinda Yuniasti ; editor, Sri Nurhayati Why? : Traditional science = sains tradisional / written by Heo Soon-Bong ; cartooned by Song Hoe-Seok ; alih bahasa, Endah Nawang Novianti Why? : fossil = fosil / written by Lee Kwang-Woong ; cartoon by Song, Hoe-Seok ; alih bahasa, Khoirul Huda ; editor, Citra, IreneWhy ? alien dan UFO / writte by Lee Kwang-Woong ; cartooned by Song Hoe-Seok ; alih bahasa, Denny SupriyadiWhy? : pertolongan pertama pada kecelakaan / written by Papyrus ; cartooned by Song Hoe-Seok ; alih bahasa, Endah Nawang NoviantiWhy? : dinosaur = dinosaurus / written by Lee Hang-Seon ; cartoon by Song Hoei-Seok ; alih bahasa, Bambang SudiyonoWhy? : computer = komputer / written by Park, Soon-Baek ; cartoon by Park, Jeong-Hun ; alih bahasa, Dede Sofyant Setiawan ; editor, Whindy