One popular one is 'The Price of Salt' which has been around for a while but has gained more popularity recently. It was quite revolutionary for its time in portraying a lesbian relationship.
'Red, White & Royal Blue' has also become very popular. Although it is mainly about a male - male relationship, it has elements that can be inspiring for lesbian romance novels as well, such as the themes of love across boundaries and the challenges of being in a relationship in the public eye. Well, for lesbian romance novels, 'Tipping the Velvet' by Sarah Waters is also highly regarded. It details the story of a young woman's exploration of her sexuality and her relationships with other women in a vivid and engaging way.
I'm not sure which ones were the most popular exactly, but 'Ash' was quite well - received. It's a fantasy - inspired lesbian romance that combines elements of fairytales with a modern - day love story, which made it appealing to a wide range of readers.
'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 most popular is probably 'Carry the Ocean' by Heidi Cullinan. It's loved for its well - developed characters and their emotional journey.
'Simon vs. the Homo Sapiens Agenda' is a popular young adult lgbt novel. It focuses on Simon, a high school boy who is gay and is being blackmailed because of it. It's a story about coming out, friendship, and finding love in the midst of high school chaos.
I think 'The Seven Husbands of Evelyn Hugo' has been very influential. It contains lesbian themes and has been extremely popular, making more people aware of queer stories within mainstream literature. 'A Little Life' by Hanya Yanagihara, though not solely about gay relationships, has a central gay character and has made an impact in terms of exploring complex human emotions and relationships within the context of a gay man's life. Also, 'Less' by Andrew Sean Greer, which has a gay protagonist and has won major awards, contributing to the visibility of gay - themed fiction.
'The Matchmaker's List' by Sonya Lalli. It's a contemporary take on arranged marriage, where the main character tries to navigate the world of arranged dates and relationships while also dealing with her own modern desires and career goals.
I think 'The Testaments' by Margaret Atwood is very popular recently. It's a sequel to 'The Handmaid's Tale' and continues to explore the themes of female oppression and resistance. Also, 'Circe' by Madeline Miller has feminist undertones. It retells the story of the Greek mythological figure Circe, emphasizing her strength and agency as a woman.
One of the popular ones is 'Convenience Store Woman' by Sayaka Murata. It offers a unique perspective on the life of a woman who works in a convenience store and how she doesn't quite fit into the norms of society.
Well, 'I Offer My Heart' by María Dueñas has gained a lot of popularity. It tells an engaging story of love and self - discovery.
In recent years, 'Red Sparrow' has been very popular. It has a unique take on the world of spies with a strong female lead. Another popular one is 'The Night Agent' by Matthew Quirk. It's a fast - paced thriller involving the CIA and lots of action. Also, 'The President's Daughter' by Bill Clinton and James Patterson has elements related to the CIA and has gained quite a bit of attention.