Why ? Kumbang dan Kumbang Rusa written by Nam, Choon-Ja ; cartooned by Choi, Myoung-Gu ; supervised by Jang, Young-Chul ; alih bahasa, Endah Nawang Novianti Why? : burung / written by Nam Choon-Ja ; cartoon by Choi, Ik-Kyu ; alih bahasa, Endah Nawang Novianti ; editint, Wahyantohadi Why? : heredity & type of blood = hereditas & golongan darah / written by Jeon, Jae-Woon ; cartooned by Choi Myoung-Gu ; alih bahasa, Endah Nawang Novianti Why? Burung / Nam, Choon-Ja ; alih bahasa, Endah Nawang Novianti ; editing, Wahyantohadi Why ? Sains Sehari-hari / written by Papyrus ; supervised ny Choi, Won-Seok ; cartooned by Lee, Doon-Woo ; alih bahasa, Endah Nawang Novianti 101 Fakta & Peristiwa / written by Kim Eun-Bin ; cartooned by Seo Young Soo ; alih bahasa, Endah Nawang NoviantiWhy? : experiment & observation = percobaan dan pengamatan / written by Jeon, Jae-Woon ; cartooned by Choi Ik-Gyu ; alih bahasa, Endah Nawang NoviantiWhy? : Utopia (Thomas More) / Seokho Jeong; cartooned by Namseon Yoon; editor, Seunghyun Nam ; alih bahasa, Endah Nawang NoviantiWhy? The Laws of science / Written by Seonghun KIM ; Cartooned by Kangho KIM ; Supervised by Hwataek HAN ; Alih bahasa : Endah Nawang Novianti ; Editor : DinaWhy ? : France / written by Chunja Nam, cartoon by Hyunwoo Yoon ; alih bahasa, Endah Nawang Novianti