Instead, Mara sat on the floor and thought small thoughts: how to bring tea without overflowing the world; how to mend a window with a strip of bird feather; how to listen to a house that learned new footsteps. Thumbelina showed her the bookshelf — one matchstick with three slivers of paper pressed between — and the titles hummed like sleepy insects. “The map’s the first book,” Thumbelina said. “It tells you not where you go but how to leave.”