Incorrect Series order

[Natalia]

This is actually the first book in the Galactic Empire Series. According to the Fantastic Fiction site, this is Asimov's first novel, and the one which culminated in the Foundation series.

[Erik]

According to the Wikipedia entry under the series name, this, while his first novel, is the third in the internal chronological order of the series. I find that this is consistent with existing GoodReads database entries.

EG