The sequel to "500-mile Walkies". When the author set off in a 100-year-old camping skiff to find the source of the Thames, he didn't want to take his dog, Boogie. He would have left him in kennels but the other dogs complained and things do not work out as he planned.

Mark Wallington was born in Swanage in Dorset in 1953. He worked for a while as a gardener in London before becoming a scriptwriter and a journalist. In 1982 he walked the South West Coastal Path and his subsequent book, 500-Mile Walkies, became a bestseller. In 1992 Mark Wallington published his novel The Missing Postman and then wrote the script for the award-winning television play starring James Bolam. He is much sought-after as a film and television writer, working from his home in the High Peak in Derbyshire, where he keeps a truly wonderful garden. He is married with two children.