Cover code #63821. This is a second printing (not stated, 1969), reprinting Ace F-325 (same cover art). Second book in the "Forerunner" series. Other novels in this sequence include: Storm Over Warlock (1960), Forerunner Foray (1973), Forerunner (1981) and Forerunner: The Second Venture (1985).
"synopsis" may belong to another edition of this title.
Book Description Ace, 1969. Mass Market Paperback. Book Condition: New. Never used!. Bookseller Inventory # P110441638198
Book Description Ace. MASS MARKET PAPERBACK. Book Condition: New. 0441638198 New Condition. Bookseller Inventory # NEW7.0162154
Book Description Ace, 1955. Mass Market Paperback. Book Condition: New. Bookseller Inventory # DADAX0441638198