Sylvia Engdahl 's Books
Journey Between Worlds
The Doors of the Universe
This Star Shall Abide
Beyond the Tomorrow Mountains
Stewards of the Flame
The Far Side of Evil
Enchantress from the Stars
The Rising Flame: Box Set: Defender of the Flame + Herald of the Flame
A very well recieved series by Sylvia Engdahl are the books, featuring tropes. The most popular books are Journey Between Worlds, The Doors of the Universe, This Star Shall Abide, Beyond the Tomorrow Mountains, Stewards of the Flame, The Far Side of Evil, Enchantress from the Stars, The Rising Flame: Box Set: Defender of the Flame + Herald of the Flame, which was published in 2022.