His Dark Materials: #3 The Amber Spyglass by Philip Pullman (Paperback, 2001)

His Dark Materials: #3 The Amber Spyglass by Philip Pullman (Paperback, 2001).

"The Amber Spyglass" is the third and final book in Philip Pullman's "His Dark Materials" trilogy. It was first published in 2000 and has since become a critically acclaimed and popular work of young adult fantasy literature.

The book continues the story of Lyra Belacqua and Will Parry, two young protagonists from different worlds who are seeking to uncover the truth about the mysterious substance known as Dust and the nature of the universe itself. In "The Amber Spyglass," Lyra and Will must journey to the world of the dead to rescue their friends, confront powerful and dangerous enemies, and ultimately make a fateful decision that will determine the fate of all existence.

Along the way, the novel explores themes of love, loss, sacrifice, and the nature of consciousness and the soul. It also introduces new characters and delves deeper into the complex and richly imagined world of the series, which features an array of fantastical creatures, alternate dimensions, and parallel universes.

Overall, "The Amber Spyglass" is a thrilling and emotionally resonant conclusion to Pullman's epic trilogy, and has been praised for its imaginative scope, vivid characters, and thought-provoking ideas.