14 books • 6 series
Book #2: Wireless and More Steam-Powered Adventures
Book #1: Murder on the Titania and Other Steam-Powered Adventures
Book #3: World of Warcraft: Exploring Azeroth: Northrend (Exploring Azeroth, 3)
Book #5: World of Warcraft: Exploring Azeroth: Islands & Isles (Exploring Azeroth, 5)
