Tout le monde connaît aujourd'hui les célèbres pneus, cartes routières et autres guides gastronomiques siglés Michelin. Leur histoire se confond avec celle de la France. Pourtant, cet empire eut bien failli ne jamais voir le jour, n'eut été la détermination de deux frères : André, entrepreneur fantasque doué d'un génie sans pareil pour les « coups de com », et Edouard, artiste reconverti avide d'innovation. Ensemble, ils auront connu succès et crises à la taille de leur destin.

An attack by man or beast? Secret army nuclear tests? An avalanche? Or temporary insanity? What really happened on the slopes of "Dyatlov Pass" on the night of February 1, 1959, that resulted in the deaths of nine experienced mountaineers?

As the plague rages through England, Hayden Springworth is busy trying to find hidden treasure at the end of a rainbow. But an encounter with Isaac Newton will shatter the young lord's antiquated beliefs. Sent to the southwest of France as a spy, Hayden continues his research on rainbows in secret. That is until he meets a strange young girl who seemingly has the power to bring rain with her wherever she goes...