The Subtle Knife, the second novel in the book His Dark Materials series, was written by English novelist Philip Pullman and published in 1997.
Moreover, a script for The Subtle Knife has already been written by Hossein Amini (Killshot, The Four Feathers).
The Subtle Knife by Phillip Pullman (though I would say Ryan spends most of Ryan's time reading brewer publications – Christa).
The Subtle Knife was published by Turtleback Books and had a blood red cover, with Will in the foreground menacingly holding the knife and—presumably—
Writing in Voice of Youth Advocates about both The Subtle Knife and both The Subtle Knife's predecessor, Jennifer Fakolt commented that these volumes 'are, simply, magnificent.
The second book, THE SUBTLE KNIFE, takes Lyra to Cittàgazze, where Herevillemeets Will Parry, a fugitive boy from our own universe.