Quick sketches of merfolk, maybe a few buildings from Atlantis, notes regarding mer culture, at least one minor complaint about fish not knowing how to mind their own business are all that can be gleaned easily from a glance. Childermass doesn't seem particularly worried about Lambert messing with the papers. If any of it were a secret, he sure wouldn't be working on it out here.

"Oh, I'm sure you'll do fine wherever you've ended up." He's still looking down, writing, but his previous once-over of the other man when he did look up before was enough to make a few educated guesses at to where that might be. "With the Nightrider or the Warden, I imagine."