Prince Valiant — Fantagraphics
Issue: #47
In Volume 47, while traveling through the Middle East, Queen Aleta is ambushed, but saved at the last minute by a mysterious woman who brings her to a hidden valley - home of Petropolis, the City of the Amazons! Collects strips from the years 1977-1978.
Creators: Hal Foster, John Cullen Murphy
Characters: Prince Valiant, Aleta