Kobo and Lonely Planet guides ?


I would like to use a Kobo Aura to read my Lonely Planet guides (http://shop.lonelyplanet.com/digital-guides). I heard that the reading of maps is really a problem because the maps are very small.

Have you any experience of that and can you confirm it ? (there are two possible formats of digital guides : PDF and EPUB, can you precise which one do you use ?)

If you want a PUB or PDF file for testing, let me know.

Thanks in advance for your help.