Ellora's Cave is an erotic fiction publisher. The company originally started publishing erotic fiction in e-book format, then moved to publishing printed works. Ellora's Cave has primarily published romantic erotica, dubbed 'Romantica'. The term "Romantica" has been registered as a trademark by the company. Ellora's Cave also employs a rating system for the erotica it publishes. In 2012, it was estimated that Ellora's Cave sold 200,000 books a month and their best selling subgenre is BDSM erotic romance (as quoted in an interview with International Business Times).