Deep beneath the island of Crete lies a maze of tunnels called the Labyrinth. At its heart lurks a fearsome creature known as The Minotaur.
Brave Theseus takes on the challenge of defeating the beast. But will he return from the Labyrinth alive?

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。