For over two centuries, as rulers have risen and fallen and wars have raged, one majestic oak tree has lived out an epic drama. From germination in 1780 to adapting to the changing climate of the modern age, its struggles and triumphs took place far from human eyes. That is, until one day a young man named Laurent Tillon came across it, and a decades-long relationship began, In this dazzling book, biodiversity expert Tillon narrates the story of the tree he calls Quercus. Evoking the richness which is all around us, he reveals that Quercus is embedded in a network of ever-shifting relationships, from close alliances between plants and animals to battles between insects, birds and fungi.