*Nominated for the 2019 CILIP Carnegie Medal**Spectator Best Books of the Year selection*Two unlikely heroes inspire a whole town by fighting to save a treeSometimes, in the blink of an eye, you do something that changes your life forever.Like climbing a tree with a girl you don't know.Marnus is tired of feeling invisible, living in the shadow of his two brothers.His older brother is good at breaking swimming records and girls' hearts. His younger brother is already a crafty entrepreneur who has tricked him into doing the dishes all summer.But when a girl called Leila turns up on their doorstep one morning with a petition, it's the start of an unexpected adventure.And finally, Marnus gets the chance to be noticed...