That is exactly what they are, a book with original on the left, English on the right.

The publisher Dover makes a whole series across several languages, and it's not too hard to find Greek and Latin classics.

Recently I see more specialty publishers moving into the space.

There's also interlinear dual language books, with a very literal but you-do-some-grammatical work translation of each word below.

For weird biographical reasons all of the philosopher Wittgenstein's books are published with German-English on facing pages.

https://store.doverpublications.com/by-subject-languages-and...