<Li> World of Warcraft Trading Card Game--2006 - 2013 </Li> <Li> Hearthstone: Heroes of Warcraft--2014 - Current </Li> <Ul> <Li> Warcraft: Of Blood and Honor (2000) -> Paperback </Li> <Li> Warcraft: Day of the Dragon (2001) -> Paperback </Li> <Li> Warcraft: Lord of the Clans (2001) -> Paperback </Li> <Li> Warcraft: The Last Guardian (2002) -> Paperback </Li> <Li> Warcraft: War of the Ancients <Ul> <Li> The Well of Eternity (2004) -> Paperback </Li> <Li> The Demon Soul (2004) -> Paperback </Li> <Li> The Sundering (2005) -> Paperback </Li> <Li> War of the Ancients Archive (2007) -> Paperback </Li> </Ul> </Li> <Li> World of Warcraft: Cycle of Hatred (2006) -> Paperback </Li> <Li> Warcraft Archive (2006) -> Paperback </Li> <Li> World of Warcraft: The Chronicles of War (2010) -> Paperback <Ul> <Li> World of Warcraft: Rise of the Horde (2006) -> Paperback </Li> <Li> World of Warcraft: Tides of Darkness (2007) -> Paperback </Li> <Li> World of Warcraft: Beyond the Dark Portal (2008) -> Paperback </Li> </Ul> </Li> <Li> World of Warcraft: Night of the Dragon (2008) -> Paperback </Li> <Li> World of Warcraft: Arthas: Rise of the Lich King (2009) -> Paperback & Hardcover </Li> <Li> World of Warcraft: Stormrage (2010) -> Paperback & Hardcover </Li> <Li> World of Warcraft: The Shattering: Prelude to Cataclysm (2010) -> Paperback & Hardcover </Li> <Li> World of Warcraft: Thrall: Twilight of the Aspects (2011) -> Paperback & Hardcover </Li> <Li> World of Warcraft: Wolfheart (2012) -> Paperback & Hardcover </Li> <Li> World of Warcraft: Jaina Proudmoore: Tides of War (2012) -> Paperback & Hardcover </Li> <Li> World of Warcraft: Vol'jin: Shadows of the Horde (2013) -> Paperback & Hardcover </Li> <Li> World of Warcraft: Dawn of the Aspects Parts I-V (2013) -> Paperback </Li> <Li> World of Warcraft: Paragons (2014) -> Paperback </Li> <Li> World of Warcraft: War Crimes (2014) -> Paperback </Li> <Li> World of Warcraft: Destination: Pandaria (2014) -> Paperback </Li> <Li> World of Warcraft: Chronicles Volume 1 (2016) -> Hardcover </Li> <Li> World of Warcraft: Illidan (2016) -> Hardcover </Li> <Li> Warcraft: Durotan - The Official Film Prequel (2016) -> Paperback </Li> <Li> Warcraft: The Official Novelization (2016) -> Paperback </Li> <Li> World of Warcraft: Traveler (2016) -> Paperback </Li> <Li> World of Warcraft: Chronicles Volume 2 (2017) -> Hardcover </Li> <Li> World of Warcraft: Chronicles Volume 3 (2018) -> Hardcover </Li> <Li> World of Warcraft: Before the Storm (2018) -> Hardcover </Li> </Ul> <Li> Warcraft: Of Blood and Honor (2000) -> Paperback </Li>

How many books are in the world of warcraft series
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