As a biologist and a secular homeschooler the subject of evolution is an important one that we have been incorporating into as many areas of study as we can. History? Start with the Big Bang and big change over time. Unit studies that my daughter picked out on mudskippers and coat colors of dogs? Fabulous jump off points for discussing natural selection and adaptations and human selection of traits. Fun read alouds? We’ve found plenty! Here are the books we’ve returned to again and again.