The Subtle Knife is a young-adult fantasy novel published in 1997 and the second book in Philip Pullman's His Dark Materials trilogy. The novel continues the adventures of Lyra Belacqua (now known as Lyra Silvertongue) recounted in the first novel, Northern Lights, as she investigates the mysterious phenomenon of Dust.

The subtle knife, also known as Æsahættr or Τελευταίο Μαχαίρι, was a double-bladed knife, one of whose edges could slice through the fabric between the worlds of the multiverse, opening a portal between them, with the other edge capable of cutting any substance.

2001年5月1日 · On a perilous journey from world to world, Lyra and Will uncover a deadly secret: an object of extraordinary and devastating power. And with every step, they move closer to an even greater threat--and the shattering truth of their own destiny.

《奧秘匕首》（英語： The Subtle Knife）是 菲力普·普曼 奇幻文學 系列《黑暗元素三部曲》的第二部小說，於1997年出版 [1][2]。 續集是2000年出版的《琥珀望遠鏡》。 十二歲少女 萊拉 為解開「塵」之謎，透過在 極光 的入口進入了另一個 平行世界，即喜喀則的世界，這個世界發生了災變，成人被幽靈追捕吞噬，只有孩子才能幸免於難。 身處於我們世界 牛津 的男孩 威爾·派里 （英语：Will Parry (His Dark Materials)） 與患有精神疾病的母親同住，其父親約翰·帕里在多年前的 …

1997年7月22日 · THE SUBTLE KNIFE is gripping, evocative, compelling, page-turning, stomach-churning reading that must be considered a meaningful and important metaphor for the world we live in. One need only look at any day’s headlines to see the unending violence and pain inflicted on the world by today’s “Magisteria” – Christianity, Judaism, Islam ...

2023年4月20日 · The novel continues the adventures of Lyra Belacqua recounted in the first novel, Northern Lights, as she investigates the mysterious phenomenon of Dust.

1998年3月28日 · Here is the highly anticipated second installment of Philip Pullman's epic fantasy trilogy, begun with the critically acclaimed The Golden Compass. Lyra and Will, her newfound friend, tumble separately into the strange tropical otherworld of Cittàgazze, "the city of magpies," where adults are curiously absent and children run wild.

John tells Will that the subtle knife is the most powerful weapon in the world, that it is the only weapon that can destroy God, and that Will must find Lord Asriel and force the ultimate confrontation between good and evil. Unfortunately, they are interrupted by a witch who once loved John but was rejected by him.

2001年5月22日 · For this is a world where soul-eating Specters stalk the streets and witches share the skies with troops of angels. Each is searching—Lyra for the meaning of Dark Matter, Will for his missing father—but what they find instead is a deadly secret, a knife of untold power.