11 Books That Will Make You Nostalgic For Summers Past

Friends away on vacation? That's OK, you could always hang out with Kristy, Mary Anne, Claudia, and Stacey. This series, written by Ann M. Martin (partially ghostwritten by Peter Lerangis), was published from 1986 to 2000, and each book is just as good as the last. Not only did you learn about being a young entrepreneur, but you also got some valuable life lessons on the way.