Twenty-six science fiction stories, complete in one volume, originally published before 1939 (when the Golden Age of SF began), with autobiographical remarks by Asimov before each story. Contents: Introduction; Part 1: 1920 to 1930 by Isaac Asimov. Part II – 1931: The Man Who Evolved, Edmond Hamilton: As man evolves what changes will he undergo in a thousand years? A million or more? The Jameson Satellite, Neil R. Jones: When a scientist knows he must die, he conceives a brilliant idea for the preservation of his body… the result of which even exceeded his expectations. Submicroscopic: A ray is invented that causes both miniturisation and enlargement; Awlo Of Ulm, Captain S. P. Meek: Could an atom be a miniature solar system – and if so, what of our own?  Tetrahedra Of Space, P. Schuyler Miller: Three different civilisations meet in a struggle to the death.  The World Of The Red Sun, Clifford D. Simak: A pair of adventurers  leave Denver in their flying time machine, intending to travel five millennia… but they land five million years later in a desolate world ruled by the evil and cruel brain, Golan-Kirt. Part III – 1932: Tumithak of the Corridors, Charles R. Tanner: In the fifty-third century, two millennia after Earth has been invaded by the shelks from Venus, mankind has been driven underground into a maze of deep tunnels. Tumithak, a young man, determines to venture to the surface and kill a shelk and on his way, discovers other societies that have evolved.  The Moon Era, Jack Williamson:  An insufficiently tested space ship delivers its lone passenger to the Moon of the distant past, where he will play a role in the final episode of a ruthless, genocidal war. Part IV – 1933: The Man Who Awoke, Laurence Manning: Elderly banker Norman Winters puts himself into suspended animation for 5,000 years at a time – and has adventures through Time.  Tumithak In Shawm, Charles R. Tanner: Tumithak leads a party of warriors back to the surface to defeat the shelks.   Part V – 1934: Colossus, Donald Wandrei: As an apocalyptic atomic world war breaks out, a man leaves Earth in a experimental spaceship, hoping to reach the ends of the known universe. Born of the Sun, Jack Williamson: The Sun is a sentient being, and planets and moons are its eggs – and now the eggs are beginning to hatch, including the egg shell known as ‘Earth…’.  Sidewise in Time, Murray Leinster: As ‘time-quakes’ reveal parallel universes, a professor and a team of students attempt to establish themselves as masters of a time-fractured world.  Old Faithful, Raymond Z. Gallun: Martian civilisation is slowly dying and Martian 774 is informed – as is the custom – that he has forty days left to live and his work of establishing communication with Earth is not relevant to saving the Martian race. So…Martian 774 hitches a ride on a passing comet…Part VI – 1935: Parasite Planet, Stanley G. Weinbaum: Tidal locking keeps one side of Venus perpetually facing the Sun, creating a barren desert. Towards the planet’s twilight zone the temperature drops below the boiling point of water and the Hotlands begin: a place inhabited by parasitic native life forms.  Proxima Centauri, Murray Leinster: The starship Adastra is in sight of its goal, Proxima Centauri with a crew that is half loyal officers and half mutineers. And when a young mutineer is promoted for picking up signals from  Proxima, a loyal officer is enraged…and he doesn’t seem to realise the communications are less than friendly. The Accursed Galaxy, Edmond Hamilton: The force field prison of an immortal Energy Being lands on Earth and the secret of why other galaxies flee the Milky Way is revealed.  Part VII – 1936: He Who Shrank, Henry Hasse: The greatest scientist ever has invented a new means of exploring the world of the infinitely small – and sends his devoted assistant on a mind-boggling series of adventures exploring the infinite series of concentric universes.  The Human Pets of Mars, Leslie F. Stone: The  Martians land on a golf course and capture a small group of humans, transporting them back to Mars, where they are kept as pets.  The Brain Stealers of Mars,  John W. Campbell, Jr.: Two rogue inventors break the law to create an atomic powered space ship. On Mars, they find two life forms – one of which can become anything it likes…Devolution, Edmond Hamilton: A variant on the creation myth, where perfect beings devolve into lesser beings in all ways – including morally.  Big Game, Isaac Asimov: A drunk man in a bar  tries to convince his audience that ten years ago, he built a time machine and travelled back to before the extinction of the dinosaurs, where he met an intelligent race of humanoid dinosaurs with the ability to communicate telepathically. Part VIII – 1937: Other Eyes Watching, John W. Campbell, Jr: A non-fiction piece on the solar system, focusing on Jupiter.  Minus Planet, John D. Clark, Ph.D.: Humanity is endangered by the approach of a world composed of pure antimatter.   Past, Present and Future,  Nat Schachner: Kleon, not content to be worshipped as a god by the Mayans, will sleep the centuries away…until a careless explorer succumbs to the sleeping gas. Together, explorer and Kleon awake to the even more distant future: the Age of the Olgarchs. Part IX – 1938: The Men and the Mirror, Ross Rocklynne: A cop and a crook become trapped in a frictionless, mirrored bowl. Escape depends on co-operation – and ingeniously applied physics.  Cover art by Christian Vankeer.