Guillaume Prévost

"The Book of Time", originally released as "Le Livre du Temps", is a French children's fantasy novel trilogy written by Guillaume Prévost [fr; fa; it; pt] and first published in France by Gallimard Jeunesse. The first book of the series, La Pierre Sculptée, was released in February 2006; the final book was released in November 2008. The trilogy follows fourteen-year-old Sam Faulkner as he travels through time and around the world via a strange statue and some unusual coins with holes in them to find his missing father.