Despite Disability Ilmu pengetahuan dalam rumah / Anita Ganeri Ilmu pengetahuan bumi / Anita Ganeri Peta Sumatera PT.l SUM 28 (1-20) Peta Sumatera PT.l SUM 24 (1-20) I wonder why flutes have holes : and other questions about music / Josephine PakerWho made God? : (siapa yang menciptakan Allah?) : Ravi Zacharias, Norman Geisler; pengalih bahasa, Handy HermantoI wonder why vultures are bald : and other questions about birds / Amanda O'NeillI wonder why spiders spin webs : and other questions about creepy crawlies / Amanda O'Neill ; editors, Claire Llewellyn, Clare OliverI wonder why snakes shed their skin : and other questions about Reptiles / Amanda O'Neill ; editor, Claire Llewelyn