This book is one of the best works of speculative fiction I have ever read, far superior to the work of Heinlein and Asimov, which appears tepid, plodding, and unimaginative by contrast.
Enro the Red, undisputed tyrant of the hundred thousand worlds of the Greatest Empire, had declared war on Earth. A mysterious galactic shadow-being with the power to see through time has been sent to Null-A Venus with a single purpose: assassinate Gilbert Gosseyn! The plan succeeds... apparently. But the fourth-dimensional powers of Gilbert Gosseyn's Null-A trained double brain allow him to survive and corner one of the agents of his killer. The man nonchalantly hands him an innocent looking calling-card. "You have been caught in the most intricate trap ever devised for one man." By the time he read those words, it is too late.
And this is only the first chapter.
Gilber Gosseyn, amnesiac superhuman, the next step of evolution beyond man, must use his every resource to combat the sinister foes whose power has an origin older than human life in this galaxy. Ultimately, however, it is not strength of arms or brilliance of science that will prevail, but the sanity and integrity of the mind, the power, so to speak, of a superior philosophy.
The richness and depth of the imagination, the headlong pace, the sudden reversals, make this book a must for any reader who longs for that sense of wonder that defines science fiction.
Players of Null-A is a sequel to the famous World of Null-A by the same author.