I've uploaded a few read by tts at https://pca.st/podcast/3af50c70-30cd-013c-f68a-0acc26574db2

Not too proud of it, but might still be useful.

There's also audioteca critica, with actual people reading the books, https://pca.st/podcast/5a409f90-829a-013a-d7e9-0acc26574db2, in Brazilian Portuguese.