The Silver Chair book 4

Narnia . . . where giants wreak havoc . . . where evil weaves a spell . . . where enchantment rules. Through dangers untold and caverns deep and dark, a noble band of friends are sent to rescue a prince held captive. But their mission to Underland brings them face-to-face with an evil more beautiful and more deadly than they ever expected.

This edition follows the original numbering scheme. More recent publishers have re-numbered the volumes so that the books are ordered chronologically. This was reportedly the author's preference. Other editions number this book as #6.

Please respect the title as printed. 

Author: C S Lewis

Publisher: Collier

Released Date: 1970

ISBN: 9780020442509