A year after his mother disappeared in her hot air balloon, Seraphin and his father receive a clue that sends them to a Bavarian castle where lurks a force that would stop at nothing to conquer the stars.

Ages 10-14|||GN420L Lexile|||juvenile

Alex Alice ; English translation by Anne and Owen Smith.

Chiefly illustrations.

"Originally published in 2014 in French by Rue de Sèvres as Le château des étoiles - 1869: La conquête de l'espace - volume I" -- title page verso.

Accelerated Reader AR MG 3.8 1 190817.

Translated from the French.