Yup it never states if it's a GC leve or just a regular leve so it's easy to miss it without looking it up or checking the other levemete, which is easy to forget it's even there at times. There's also the fact that you still have to cycle them by doing regular leves first then it'll show up under GC leves, again with no indication. It's just another way to artificially extend the quest and the waiting really which is fine I guess.

Happened to me the first time, all the other books are the same, if a leve doesn't show up under the regular levemete and there's a GC levemete in the same area you have to check the GC NPC first, if it still isn't listed there you have to do a couple of regular leves then check back with the GC leve NPC and it'll usually show up there. If there's only a regular levemete and it doesn't show up you also have to cycle them, the number of leves you have to do until the one you need shows up is probably less but I just grab and complete them all, then the one I need always shows up right after. At least now you know for future books.