Hiking Obsession: Preparing for and Tackling Land's End to John O'groats When You're Old Enough to Know Better

What makes a sensible, mature, slippers-by-the-fire sort of chap turn suddenly into a hiking junkie?

Why would anyone want to switch from doing moderate, two-mile pub walks to trekking an arduous 289 miles along the South West Coast Path?

The Hiking Obsession takes you on an alarming journey, from your comfort zone to the trials and tribulations of long-distance walking, from the seed of a flawed idea to the execution of a meticulous but seriously flawed plan.

See what happens when it all goes pear-shaped for Tony, from leaky boots to lost hankies, from a broken cross-trainer to sleeping rough in a church.

Will he overcome his obsession or slip seamlessly into life as a hobo?