246 pp, 242 pp, 246 pp, PBs - 3 volumes. Cover art by Peter Bollinger/Cliff Nielsen. "Young heroes yanked from the 20th century and beyond must fight an enemy more skilled, cunning, and dangerous than they ever imagined. But these young heroes ar e the world's only hope..." Interiors - bookstore stamp/old price on first page of books 1 & 2, otherwise clean and tight. Exteriors - minor edgewear, spines flat with very faint creases to books 1 & 2. A clean, bright set. VG+

DAVID BRIN NANCY KRESS SHEILA FINCH ROGER MACBRIDE ALLEN