Isaac Asimov ; Martin H. Greenberg ; Charles G. Waugh Related books Young Ghosts Harper & Row • 1985 Young Ghosts by Asimov, Isaac; Greenberg, Martin Harry; Waugh, Charles G Harpercollins Young Mutants Harper & Row • 1984 Young Star Travelers Harper & Row • 1986 Young Star Travelers Harpercollins Young Witches & Warlocks Harpercollins • 1987 Young Witches & Warlocks Harpercollins