Mazovia & Podlasie - Poland (PDF Chapter) eBook version/Lonely Planet
Coverage includes: Western Mazovia, Łódź, Łowicz, Płock, Northern & Eastern Mazovia, Pułtusk, Southern Podlasie, Białystok, Tykocin, Biebrza National Park, Narew National Park, Kruszyniany & Bohoniki, Białowieża National Park, The Augustów-Suwałki Region, Augustów, Suwałki, and Around Suwałki.