"First the quark then the particle First atom then the molecule First the sun then the solar system First the earth then the life First the love then the child... Little scientists will discover what came first in this new picture book from the #1 science author for kids, Chris Ferrie! The "first/then" pattern provides a deceptively simple introduction to the beginning of life, evolution, scientific inquiry, and more! It's the perfect love letter for science-loving families"-- Provided by publisher.