Fantasy books featuring parallel universes or alternate realities

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A parallel universe or alternative reality is a hypothetical self-contained separate reality coexisting with one's own. A specific group of parallel universes is called a multiverse. The fantasy genre has long employed parallel universes and alternate realities with Diana Wynne Jones' Chrestomanci series, Philip Pullman’s His Dark Materials and Stephen King’s Dark Tower series being quality examples. Below you will find book reviews on the three aforementioned series and more.

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