A bookshelf is a doorway to hundreds of worlds, thousands of lives, limitless fresh perspectives and endless information. Each shelf is lined with colorful spines that promise adventure, romance, mystery or history. Take a tour around TikTok, Pinterest or Instagram lately and you’ll see book lovers going well beyond simple stacks and jumbles of random tomes. They’re fashioning aesthetic-themed bookshelves as scaled down but highly detailed worlds. These creations are carefully curated, intentionally decorated and seriously immersive. …