Janus's Journal is a note found in the Access Tunnels at the beginning of FROST.
"Today I found a Squirrel burying nuts. He squeaked up a racket when we picked him up by his tail. Two days up the Maldenline broke him. He leans quick.
We caught a Tortoise. It is a silly thing. It speaks only of orders and codes. Reforming him will be tough. This one's "Guard protocols" are locked down tight. Perhaps I should just crack open that shell and make tortoise stew.
Long trip to the sea. It paid off. Inside were such wonders- chems, weapons... food. And, of course, answers. We even found a silly little Snake. They say you cut its tail off it grows back. Perhaps we'll see."