by L. Sprague de Camp
In addition to its stand-alone volume, this title was published in the follow books. It can be rated independently of any volumes containing it.
The Undesired Princess (1951)
Collection, 248 pages
Fantasy Twin (1953)
by William L. Crawford
Anthology, 256 pages
The Undesired Princess & The Enchanted Bunny (1990)
by L. Sprague de Camp, David Drake
Omnibus, 288 pages