Toilets and telephones-we all use them, but who invented them? And how did people ever cope without them? Read the stories behind these life-changing creations. Then meet the inventors of frozen food, goal nets and other incredibly useful things.

USBORNE圖書館系列到LEVEL5之后，詞匯量增加到1000-1500，每頁的文字數量在十行左右，共48頁，涵蓋了英文大部分的語態和時態。從這個級別開始，由圖畫書逐漸過渡到章節閱讀。適合小學五六年級和初中生作為詞匯量擴展讀本。Level5系列均為世界知名的民間故事和童話故事，學生一般都已接觸過中文版本。