The Flatshare, written by Beth O'Leary, is a charming celebrity romance novel with a unique premise. It follows the story of Tiffy Moore and Leon Twomey, who share a flat but have never met. Tiffy works during the day, while Leon works at night, so they communicate through post-it notes and gradually start to develop a connection. As they get to know each other through their messages, they discover that they might be falling in love. This book is a heartwarming and unconventional love story that will leave you with a smile on your face.