Quick view Pre-Order Now Blackstone Publishing Neil deGrasse Tyson "Merlin's Tour Of The Universe" Signed Limited Edition, Slipcased Collector's Edition of 100 w/COA [Sealed] MSRP: Was: Now: $155 Personally signed by Neil deGrasse Tyson, the legendary astrophysicist, author, and science communicator. Limited to only 100 Signed Limited Edition slipcased copies with numbered COA, never to be... Pre-Order Now