Founders of the phenomenally successful publishing company Lonely Planet, Tony and Maureen Wheeler have produced travel guides to just about every corner of the globe. Lonely Planet Publications was born in 1973 when the Wheelers self-published a quirky travel guide, Across Asia on the Cheap. This was quickly followed by what soon became the backpackers' bible, South-East Asia on a Shoestring. Going boldly where no other travel...