Chapter 122: Sebastian's genius

Frost frowned, truly unable to understand the situation, this was like burning through money without any reward, very unlike a merchant, especially a good one such a Sebastian.

Noticing Frost's frown and questioning look, Calder went on to further explain the situation.

"Of course, there's a little more to it than the books simply being free." 

Frost gave Calder a look basic translating as 'I guessed that much' but kept silent allowing him to continue.