* Revised and updated for the twenty-first century* In this updated, illustrated companion volume to Merlin's Tour of the Universe, we visit again with Merlin, a timeless space traveler from Planet Omniscia, who answers a collection of imaginative questions about the cosmos from Earthlings of all ag...

* Revised and updated for the twenty-first century* In this updated, illustrated companion volume to Merlin's Tour of the Universe, we visit again with Merlin, a timeless space traveler from Planet Omniscia, who answers a collection of imaginative questions about the cosmos from Earthlings of all ages.