Is there a way to preview the material included in the roll20 ROTRL Campaign? I'm currently running this and using the community maps and manually uploading maps/dynamic lighting/tokens/setting up monster sheets and prepping from the physical book but I'd like to see the quality of the maps included and how it's organized from the DM standpoint in the official roll20 stuff. I'm partway through the campaign, so I'm trying to gauge whether or not it would be worth buying the full $60 campaign even though I would only be using part of it but I don't see anyway to preview how it works without purchasing it. Is there a return policy that would let me safely buy it and check it out before committing to it if i don't like it ?