When you're looking to get lost in a book, sometimes you need your reading material to match your mood. With Marie Claire's series " Buy the Book ," we do the heavy lifting for you. We're offering curated, highly specific recommendations for whatever you're looking for—whether you're in your feels or hooked on a subgenre trending on #BookTok. Perhaps you’ve experienced the same during the long, unyielding days of summer. Remember your SPF, but here are the best heatwave books to sink into all season long—or in any season, for that matter.