Finding and Investing in Great Picture Books

How do you find great picture books for kids? Besides recommendations from families and friends....here's a photo of some of our absolute favorites. I've given some away, but these are the ones I have left. Some of them represent series as well. I've looked at book sales, garage sales, H2O, Goodwill, and other thrift shops, as well as online used book stores. Sometimes I buy new, but I enjoy the old books, they have more meat, morals and values compared to many modern books today. Happy hunting!