"Of course," Orion nodded, his own smile turning more and more genuine as time went on.

"I'd hoped you might want to manage a proper comparison." He gestured down to the already unwieldy stack.

"If you pick where you want to start, I can locate the other, time-appropriate cross-reference materials as you go along, if you need them. Just so I don't bog you down with even more stacks all at once."