Whenever the author-illustrator runs in a field, climbs a hill, or swims in the sea in Israel, she looks for something small to hold in her hand. She finds a basalt pebble from the ice-cold Dan River, formed from lava over 100,000 years ago. Israel's national bird, the hoopoe, leaves a feather in the grass at HaYarkon Park. Dead hood coral grows in the Red Sea, where fish play hide-and-seek. She holds small things in her hand and then leaves them...