Contents: 7 • A Chronology of Technic Civilization • (1978) • essay uncredited 11 • The Earth Book of Stormgate • [Avalon (Technic Civilization)] • shortfiction by Poul Anderson 13 • Wings of Victory • [Technic History] • (1972) • novelette by Poul Anderson 34 • The Problem of Pain • [Avalon (Technic Civilization)] • (1973) • novelette by Poul Anderson 56 • How to Be Ethnic in One Easy Lesson • [Technic History] • (1973) • novelette by Poul Anderson 74 • Margin of Profit • [Nicholas Van Rijn] • (1956) • novelette by Poul Anderson 104 • Esau • [Technic History] • (1978) • novelette by Poul Anderson (variant of Birthright 1970) 132 • The Season of Forgiveness • [Technic History] • (1973) • short story by Poul Anderson