Yeah, the chapter 1 maps are not on that page, although the school of war shows up again in chapter 9.
Visit the post for more.
wotbsadventurepath.com
The resources page has more maps (and some
old FG modules). The PDFs on this page also have the maps. Unfortunately, the chapter 1 maps are all cut up.
All content on this page is free. WotBS Errata. Do you have a print version of War of the Burning Sky or just want to know the significant changes in a new version of an adventure? Check the errata…
wotbsadventurepath.com
The maps added in the 4e version are here.
Since you have the Roll20 product, you can go to the page in Roll20, go to the map layer, click the map, and press Shift+Z. That should give you a full-screen image of the full resolution of the map that you can then right-click and save to use in FG. That would let you pick up the farmhouse and pub maps.
Finally, there is a VTT-friendly map of the gauntlet here:
Do you have a print version of War of the Burning Sky or just want to know the significant changes in a new version of an adventure? Check the errata to stay up to date or download the new maps. If you find an error in one of the adventures...
www.enworld.org