One could start with the classics that are often taught in schools, like 'Romeo and Juliet'. There are many resources available for this play, such as study guides and film adaptations. Reading it aloud can also be a great way to engage with the text. It's a tragic love story that has influenced countless works of literature and art.
A good way to start reading the best classic novels is to follow your interests. For example, if you like adventure, you could begin with 'Treasure Island'. It has pirates, hidden treasures, and lots of exciting action. You can also look for annotated versions which have explanations for difficult words or cultural references.