'A scientific memoir as gripping as any HBO drama series' Kate Kellaway, Observer A dazzling scientific detective story from the ecologist who first discovered the hidden language of trees.

No one has done more to transform our understanding of trees than the world-renowned scientist Suzanne Simard. Now she shares the secrets of a lifetime spent uncovering startling truths about trees: their cooperation, healing capacity, memory, wisdom and sentience. Raised in the forests of British Columbia, where her family has lived for generations, Professor Simard did not set out to be a scientist.

She was working in the forest service when she first discovered how trees communicate underground through an immense web of fungi, at the centre of which lie the Mother Trees: the mysterious, powerful entities that nurture their kin and sustain the forest. Though her ground-breaking findings were initially dismissed and even ridiculed, they are now firmly supported by the data. As her remarkable journey shows us, science is not a realm apart from ordinary life, but deeply connected with our humanity.