兒童科學百科，以對話方式解答孩子對生活周遭的十萬個為什麼。全套20冊，收錄為何要建金字塔、火山為什麼爆發等內容，每本皆附QR-Code音檔，搭配文字、聆聽對話，更容易牢記知識。A collection of twenty titles from our perennially popular I Wonder Why series, with its winning question and answer format and cased in attractive slipcase.This highly popular and long-running series explores the questions that young readers ask about the world around them in an unrivalled child-friendly style. The conversational format is perfect for delivering solid information in a natural, amusing and imaginative way.本套書附書盒，包含以下20本平裝讀本，每本均附音檔QRcode--01- I wonder why camels have humps 為何駱駝有駝峰02- I wonder why caterpillars eat so much 為何毛毛蟲吃這麼多03- I wonder why Columbus crossed the Ocean 為何哥倫布要橫越大西洋04- I wonder why there's a hole in the sky 為何天空中有洞05- I wonder why kangaroos have pouches 為何袋鼠有育兒袋06- I wonder why leaves change colour 為何樹葉會變顏色07- I wonder why mice are musical 為何老鼠是音樂家08- I wonder why my tummy rumbles 為何我的肚子會咕囉咕嚕叫09- I wonder why planes have wings 為何飛機有翅膀10- I wonder why pyramids were
