Robert Frost could have used a local guide when he decided to take the road less travelled, as he discovered only too late that it was a gully carved to redirect flowing lava. Stay on the right path with this Groupon.

$19 for $45 Worth of PDF eBook Travel Guides

Available for purchase in whole books or by the chapter, Lonely Planet’s digital travel guides are downloaded in PDF format, printable and viewable on eReaders, tablets, smart phones, and PCs. Groupon customers can choose from 269 titles available as PDF eBooks, ranging in scope from world regions to chapters such as 'Eating, Drinking & Nightlife' from the Rio de Janeiro guide. Titles include California’s Best Trips ($17.49), Istanbul city guide ($14.69), and Germany travel guide ($19.59).

Whether customers purchase a full book or selected chapters, files are downloaded by the chapter after purchase.

This deal's value is based in a different currency than its Groupon purchase price, so the exact discount and amount saved depend on the exchange rate.