I find Lingua Franca Nova very readable (I speak French decently as a second language), plus it has a very nice flag! https://lfn.wikipedia.org/wiki/Lingua_fra

I find Lingua Franca Nova very readable (I speak French decently as a second language), plus it has a very nice flag! https://lfn.wikipedia.org/wiki/Lingua_franca_nova https://lfn.wikipedia.org/wiki/Lingua_franca_nova