Faith, awakens one day to realize she does not have memories of how she came to be in her current place, when a voice from below begins to tell her stories of her past and his. The voice comes from a tiger shaped rug, that may or may not have been hunted in the jungle and turned into a carpet or made in a factory.
This book introduces philosophical questions such as "What is real" and "What is truth" with stories told by the eponymous carpet. While the book is listed as a juvenile title, I suspect it may be a bit high concept for those students. It would, however, work quite well in a high school library's reading nook, since these are the sort of philosophical questions many teens enjoy pondering. It also works beautifully to expand on an idea many of the students will have heard from Harry Potter's Dumbledore. "Of course it is happening inside your head, Harry, but why on earth should that mean that it is not real?"
David Lucas, a past winner of both the Publisher's Weekly and Child Magazine's "Best Children's Book" awards (2004) for Halibut Jackson, does beautiful work in black and white, creating a dreamy feel and giving the reader plenty to "read" in the illustrations.
While this work is supplemental for both library and school collections, I do recommend it for those schools with philosophy classes, or those that include the Allegory of the Cave in their curriculum.