Skyward (Skyward, #1)

by Brandon Sanderson

“Mushrooms are the preferred offering,” M-Bot said to them. “As many varieties as you can dig up.” “Really?” I said, pulling off my helmet to wipe my brow. “Still on the mushroom thing?” “I didn’t erase that part of my programming,” he said. “I’m fond of it. It gives me something to collect, like the way humans choose to accumulate useless items of sentimental and thematic value.”