Rowan came back from the shamans in Mongolia a changed boy. The three most debilitating effects of his autism - his incontinence, his endless tantruming, and his inability to make friends - were gone. But a year almost to the day since Rowan's improvement he started regressing: the accidents and tantrums reappeared, terrifying his father Rupert.

Heart-breaking, uplifting and full of adventure, The Long Ride Home is the long-awaited sequel to the international bestseller The Horse Boy.

Rowan came back from the shamans in Mongolia a changed boy. The three most debilitating effects of his autism - his incontinence, his endless tantruming, and his inability to make friends - were gone.

But a year almost to the day since Rowan's improvement he started regressing: the accidents and tantrums reappeared, terrifying his father Rupert. Something had to be done.

Father and son embarked on a new quest, journeying from the bushmen of Namibia to the coastal rainforests of Queensland, Australia and finally to the Navajo reservations of the American southwest, where Rowan was transformed - they had begun the Long Ride Home.

'It is probably only once in a critical lifetime that one will be moved almost to tears ... a triumph of the human spirit' Telegraph (on The Horse Boy)

'Magical, miraculous, uplifting' Daily Mail (on The Horse Boy)

'Amazing, astonishing' Sunday Times (on The Horse Boy)

Rupert Isaacson is British but lives with his family in Texas, USA. He is an ex-professional horse trainer and founder of The Horse Boy Foundation, which helps to make horses and nature available to other children, autistic or not, all over the world, including the UK. The Horse Boy was a Sunday Times top ten bestseller.