[Fred Pohl's sequel to Gateway] has an abominably bad title—Beyond the Blue Event Horizon—and that is absolutely the only bad thing about it. I think it's the most satisfying sequel I've ever read. (p. 169)

It should be mentioned that BtBEH does not resemble Gateway a whole lot. The latter was a first-person narrative which alternated between present and flashback and had sidebars all over the place; the sequel has no sidebars or flashbacks, but does have several different viewpoint characters, most of them third person…. I would say there's more dramatic tension in this book than in its prequel, whose drama was mostly internal.

Certainly very few books have ever held my attention in such an iron grip right up until the last paragraph, built so irresistably to such a satisfying series of blockbuster punch lines, left me so breathless with admiration, achieved such truly cosmic...