The author of the largest number of titles (20) is Beniamin Muszyński. Polish gamebooks are regularly written by their fans and published online by "Masz Wybór" (publishing house which has been operating since 2010). In the 1990s, the gamebook genre became highly popular in Bulgaria for approximately ten years. Whilst internationally well-known series such as Choose Your Own Adventure and Fighting Fantasy were translated for the Bulgarian market, the works of numerous Bulgarian gamebook authors were most popular with readers. During the popularity peak of gamebooks in Bulgaria, Bulgarian publishing houses believed that only Western authors would sell and, as a consequence, virtually all Bulgarian gamebook authors adopted English pseudonyms. This tradition persisted after their nationality was publicly disclosed. A smaller number of Hungarian authors also adopted Western pseudonyms, in addition to "official titles" that were also in English. Several adventure gamebooks have been released in the Czech Republic and Russia. In Azerbaijan, Narmin Kamal's novel, Open It's Me, offers the reader a choice to either read the book as a random collection of thirty-nine short stories about the same character, or as a single novel. A photo of the book's hero is published on the final page and the author asks the reader questions about the character. Decline and resurgence (1990s onward) The branching-path book commercial boom dwindled in the early 1990s, and the number of new series diminished. However, new branching-path books continue to be published to this day in several countries and languages. Choose Your Own Adventure went on to become the longest running gamebook series with 185 titles. The first run of the series ended in 1998. R. A. Montgomery started rereleasing some Choose Your Own Adventure titles in 2005. His company has also released some new titles. New books and series continue to be published in other countries to this day. Examples are the 1000 Gefahren series in Germany and the Tú decides la aventura series in Spain. The sixtieth and "lost" entry in the Fighting Fantasy series, Bloodbones, was finally published by Wizard in 2006. In recent years, the format may be getting a new lease of life on mobile and ebook platforms. Types This type of book was seen predominantly as a form of entertainment for children. Nonetheless, there were books with more didactic purposes (ranging from historical series such as the aforementioned Time Machine to books with religious themes such as the