32 1 10 Peyo Primary Author Delporte, Yvan Primary Author mixed material 9781597072472 Hong Kong Papercutz 2011 cover_the_smurfs_and_the_egg.jpg Up Science Gomdori.co Primary Author Soon-Go, Park Illustrator Tulislah.com Translator mixed material 9786020885636 Jakarta Bhuana Ilmu Popular 2016 cover_cuaca_up_science.jpg Kim, Nam-Seok Primary Author Deni Supriadi Translator mixed material 9789792785333 Jakarta Elex Media Komputindo 2010 cover_water_air_why_.jpg Blackbelt Club Barnes, Dawn Primary Author Chang, Bernard Illustrator mixed material 0439639395 USA Scholastic INC 2006 cover_night_on_the_mountain_of_fear_blackbelt_club.jpg Cho, Young-Seon Primary Author Denny Supriyadi Translator mixed material 9789792789379 Jakarta Elex Media Komputindo 2010 cover_information_technology_teknologi_informasi_why_.jpg Why? Elex Media Komputindo Translator Geurimnamu Primary Author mixed material 9786020458236 Jakarta Elex Media Komputindo 2018 cover_matematika_angka_dan_penghitungan_why_.jpg Why? People Dwita Rizky Nientyas Translator Jisun, Kim Primary Author mixed material 9786020478241 Jakarta Elex Media Komputindo 2018 cover_thomas_alva_edison_why_people.jpg Cho, Young-Seon Primary Author Endang Nawang Novianti Translator mixed material 9789792796841 Jakarta Elex Media Komputindo 2011 cover_electricity_and_electron_listrik_dan_elektron_why_.jpg Endah Nawang Novianti Translator Jeon, Jae-Woon Primary Author mixed material 9786020005331 Jakarta Elex Media Komputindo 2011 cover_experiment_and_observation_percobaan_dan_pengamatan_why_.jpg Youngsun Jo Primary Author Endah Nawang Novianti Translator mixed material 9786020270845 Jakarta Elex Media Komputindo 2015 cover_chinese_character_karakter_cina_why_.jpg