On the aethership's maiden voyage, Seraphin and the Knights of Aether had prepared for everything--except treason. The villainous chamberlain wants to overthrow King Ludwig and claim the electro-aetheric technology for Prussia. The only escape for the king and his companions lies in the frosty skies above Bavaria. The ship's first flight is a success, but their respite is short-lived. As long as the chamberlain is free to spread his lies, these travelers...

"When Seraphin, Hans, and Sophie returned from their voyage to the moon, they didn't come home empty-handed--they brought with them aetherite, a miraculous substance that defies gravity! To keep their secret safe from the Prussians, the trio lives in hiding on a remote island in Brittany. Meanwhile, Seraphin's father has founded the International Society of Aether, a group of scientists dedicated to the peaceful pursuit of space exploration. But on...

"As Seraphin, Hans, and Sophie make their descent to the Mars surface with stowaway Lo�ic and the wicked Gudden in tow, they're prepared for danger. But with its gravity-defying rain and giant carnivorous beasts, Mars is even more treacherous than they expected. When Seraphin suddenly finds himself separated from his friends and alone in the Martian wilderness, he must trust a mysterious shape-shifting creature to guide him back to safety. But this...

"The mighty interstellar hero Astro Mouse and his bright first mate Light Bulb took a wrong turn on their way to the Moon (to see if it was made of cheese), getting lost in space. They go to infinity and beyond trying to find their way home with the help of their adopted, sentient caca. When they land on a planet populated by powdered sugar, the space crew thinks they might just have found their new home. But a quartet of notorious no-goods vacationing...

"Fifty years have passed since Captain Malik and the crew of the Vihaan II embarked on their fateful mission -- and the universe has changed in ways no one ever expected. Jason Hauer, one of the fated Vihaan II crew, is now 71 years old and living a life on the razor's edge between the Harvesters and the Worshippers. But as these rival religious factions clash throughout the galaxy, Jason finds himself thrown into the center of the chaos and forced...

À la fin du XIXe siècle, la communauté scientifique pense l'espace fait d'éther, qui, utilisée comme énergie, permettrait d'explorer le ciel. 1868: Marie Dulac, scientifique qui a consacré sa vie à la recherche de l'éther, s'élève en montgolfière pour ce qui doit être le vol du succès : elle atteindra l'éther... mais personne ne pourra en attester, elle ne survivra pas au vol. Seuls son mari, également professeur, et son fils Séraphin,...

Séraphin et ses amis arrivent sur Mars à la recherche du Professeur Dulac et de l'expédition prussienne qui l'a enlevé. Quand ils retrouvent les restes abandonnés de l'expédition précédente, le traître Gudden dévoile son jeu : le père de Séraphin n'est pas sur Mars, il ne l'a jamais été ! Avide de pouvoir, Gudden les a manipulés pour rapporter le maximum d'etherite sur Terre. Une rixe éclate entre Gudden et Séraphin. Assommé, celui-ci...