No, the Nancy Drew books do not need to be read in order. Each book typically features a self-contained mystery that Nancy solves, allowing readers to enjoy them individually.
However, readers who prefer to follow the character’s development and overarching themes may appreciate reading the series in order. The original series started in the 1930s, and while many of the character traits and storylines remain consistent, the books can vary in style and tone due to changes in authors and cultural context over time.
Ultimately, it’s up to personal preference. Whether you choose to dive into a specific title that catches your eye or start from the beginning, Nancy Drew’s adventures offer enjoyable mysteries regardless of order.