Cheapest Most expensive Largest discount The highest price increase €3.73 <em>The</em> <em>Oregon</em> Trail €8.40 Baby on <em>the</em> Oregon Trail €20.56 Exploring <em>the</em> Oregon Trail €23.32 Hiking <em>the</em> Oregon Coast Trail €23.32 Between <em>the</em> Tides in Washington and Orego €20.10 <em>The</em> Disabled Hiker's Guide to Western Was Search Manufacturer Search Manufacturers Ebooks.com 6 XML list Ebooks.com usd 6