You’ve seen ’em on the store shelves, and you may even own them already. It’s hard not to notice the D20 products Mongoose Publishing‘s been churning out. But have you heard what OgreCave thinks of ’em? Well, prepare to get an earfull with our week-long look at Mongoose’s books. We’ll start you off with Matthew’s look at The Slayer’s Guide to Hobgoblins. Check back each day this week for our indepth look at the rest of the Slayer’s Guide line and perhaps a couple other selections.