Key Out Of Time★★★★☆
Andre Norton Lost in time, lost in space, out of their depth, a handful of humans are caught in the middle of a four-way power struggle on the high seas of an alien world.
People of the Crater★★★☆☆
Andre Norton Standard fantasy rescue-the-princess adventure with sci-fi trappings, nodding vaguely toward Hollow Earth tropes.
Andre Norton An adventure woven through the post-war struggles of an alien world, with humans caught on both sides, exploring identity, colonialism and prejudice. Definitely worth the read.
Andre Norton A standard survival adventure with mismatched partners and ruthless rivals, only with weird stuff going on and in space.
The Defiant Agents
Andre Norton An enjoyable space western with Apaches as the good guys, wrapped up in the cold war and tossing in the Golden Horde, a lost alien city and Russians with a mind-control ray.
The Time Traders★★★★☆
Andre Norton A fun time-travel spy thriller through the bronze age that’s very rooted in the cold war.