Book excerpt: A guidebook to 80 walking routes on Scotland's Northern Isles of Orkney and Shetland. Routes are described on the islands of Orkney (Orkney Mainland, Hoy, South Ronaldsay, Burray, Rousay, Eday, Westray, Papa Westray, North Ronaldsay) and the islands of Shetland (Shetland Mainland, West Burra, East Burra, Foula, Fair Isle, Isle of Noss, Bressay, Whalsay, Papa Stour, Muckle Roe, Out Skerries, Esha Ness, Yell, Fetlar and Unst). Routes vary in length from 1 mile to 16 miles, with something to suit all abilities. Offering a variety of landscapes together with a wealth of remarkable archaeological sites such as Skara Brae and Jarlshof, Orkney and Shetland are a walker's dream. Step-by-step route descriptions are accompanied by clear OS mapping and a time estimate for completing each route. The book includes plenty of information on the region's wildlife, archaeology and history, as well as practical tips such as when to go, what to take and getting to and around Orkney and Shetland. Quiet, remote and abounding in rare plants and wildlife, together with some of the world's most fascinating archaeological sites, Orkney and Shetland offer a treasure trove of natural and historic wonders, and makes an ideal walking holiday destination.