When a butterfly startles a young rabbit, and the rabbit makes a horse rear, it starts a chain of events, over the course of one day, that will change people's lives . . . and end people's lives.

From the climber on Everest to the boy in Malawi . . . the commercial pilot to the American psycho . . . the chaos knows no bounds.

'The Butterfly Effect ': the scientific theory that a single occurrence, no matter how small, can change the course of the universe forever.

When a butterfly startles a young rabbit, and the rabbit makes a horse rear, it starts a chain of events, over the course of one day, that will change people's lives . . . and end people's lives.

From a climber on Everest to a boy in Malawi . . . from a commercial pilot to an American psycho . . . the chaos knows no bounds.

This heart-stopping adventure by writer, film maker and climber Matt Dickinson will leave readers breathless. It's the book Jack Bauer would have read as a teenager!

'. . . action-packed crackers kids will fly through.'

'Thrilling and thoughtful stuff for a 21st-century reader'

'A pacy and thrilling read building to a dramatic finale. An imaginative page turner'

'Slick as an oil-spill, and equally combustive, this yarn for mid-teens takes chaos theory as its basis . . . Gripping.'

'A fast-paced thriller with a generous drizzle of epicness. Utterly devourable.'