I think 'The Hunger Games' was quite popular. Although it's mainly a dystopian novel, there are elements of romance that made it appealing to a wide audience. The relationship between Katniss and Peeta was a major draw.
I think 'Pride and Prejudice' is extremely popular. Its witty dialogue and charming characters have made it a beloved classic for centuries. Another popular one is 'The Fault in Our Stars', which tells the story of Hazel and Augustus, two teenagers with cancer who fall in love. It's very moving.
'Outlander' is extremely popular in the romance novel list. The blend of historical elements, adventure, and the intense love story between Claire and Jamie draws in a large number of readers. Another popular one is 'Twilight'. It has a huge fan base, especially among young adults, with its story of Bella and Edward's forbidden love.
A really popular romance novel from 2009 was 'Nineteen Minutes'. It delved into the themes of love, loss, and redemption. The story is centered around a tragic event and how the characters' relationships, especially the romantic ones, are affected and transformed by it. It's a very emotional read with a deep exploration of human relationships.
One of the most popular is 'Me Before You'. It's a heart - wrenching story of a young woman who becomes a caregiver for a quadriplegic man and they develop a deep and unexpected connection. Another popular one is 'Fifty Shades of Grey' but it contains some adult content so I'll also mention 'Twilight'. 'Twilight' is extremely popular, with its story of a human girl falling in love with a vampire.
'Tipping the Velvet' by Sarah Waters is extremely popular. It tells the story of a young woman's journey through different relationships and her discovery of her own sexuality. The characters are well - developed and the Victorian setting adds a lot of charm.
One of the very popular ones is 'Pride and Prejudice' by Jane Austen. It's a classic that has been loved for generations. The relationship between Elizabeth and Mr. Darcy is iconic. Another is 'Jane Eyre' by Charlotte Bronte. The story of Jane's love for Mr. Rochester has captured the hearts of many.
I think 'Jane Eyre' by Charlotte Bronte is very popular. It's a classic that has a strong romantic plot within a historical context. The relationship between Jane and Mr. Rochester is complex and full of passion.
I think 'The Fault in Our Stars' is very popular. It has a really touching story that has reached a wide audience. Also, 'To All the Boys I've Loved Before' is quite popular, especially after the movie adaptation. 'Eleanor & Park' is also well - liked for its unique take on teenage love.