The Casebook of Harriet George Series by Patrick Samphire, Tiffany Trent, Stephanie Burgis

Mystery, murder, and adventure on Mars…Mars in 1815 is a world of wonders, from the hanging ballrooms of Tharsis City to the air forests of Patagonian Mars, and from the ice caves of Noachis Terra to the Great Wall of Cyclopia, beyond which dinosaurs still roam.Sixteen-year-old Harriet George has never had the chance for an adventure. Now her older sister is determined to marry her off. Harriet can’t think of anything worse.Meanwhile, her brother-in-law, Bertrand, has a problem... moreMystery, murder, and adventure on Mars…Mars in 1815 is a world of wonders, from the hanging ballrooms of Tharsis City to the air forests of Patagonian Mars, and from the ice caves of Noachis Terra to the Great Wall of Cyclopia, beyond which dinosaurs still roam.Sixteen-year-old Harriet George has never had the chance for an adventure. Now her older sister is determined to marry her off. Harriet can’t think of anything worse.Meanwhile, her brother-in-law, Bertrand, has a problem. He’s never been much of a police inspector. As far as Harriet knows, Bertrand has never caught a criminal in his life. But now the famous jewel thief, the Glass Phantom, has come to Mars, and Bertrand has been given the job of tracking him down. If he fails, Bertrand will lose his job and the whole family will be ruined.Harriet will not let that happen. So she comes up with a plan: she will capture the Glass Phantom herself. Even if that mean that she and Bertrand have to follow the thief’s intended victim, the Countess von Krakendorff, on a dinosaur hunt in the perilous Martian wilderness. But there is far more going on in this expedition than mere robbery, and the dinosaurs are not the greatest danger.If Harriet cannot solve the mystery, her family won't just be ruined. She and Bertrand may not make it out of the wilderness alive.The Dinosaur Hunters is a thrilling adventure set in the world of Secrets of the Dragon Tomb. less

Mars, 1816. For almost a year, Harriet George has been training to be a spy in the British-Martian Intelligence Service and things are … not going well. She has been failing in tasks she knows she ought to be able to achieve. Now she has been given her first assignment, and Harriet knows that if she doesn’t succeed, it will also be her last.Together with her brother-in-law, Bertrand, Harriet has been sent to Louros underwater hotel to retrieve a package from an informant... moreMars, 1816. For almost a year, Harriet George has been training to be a spy in the British-Martian Intelligence Service and things are … not going well. She has been failing in tasks she knows she ought to be able to achieve. Now she has been given her first assignment, and Harriet knows that if she doesn’t succeed, it will also be her last.Together with her brother-in-law, Bertrand, Harriet has been sent to Louros underwater hotel to retrieve a package from an informant. It’s supposed to be a straightforward task, but everything goes terribly wrong. If Harriet can’t figure out who is working against her, not only will she lose her job, she may not make it back to the surface alive.A Spy in the Deep is Harriet George’s second adventure, full of mystery, action, and humour. Join Harriet and Bertrand as they try to unweave another tangled mystery on Regency Mars. less

An anthology of sparkling adult f/sf stories featuring underwater ballrooms of one sort or another, from a 30s ballroom to a Martian hotel to a grand rock 'n roll ball held in the heart of Faery itself. Edited by Stephanie Burgis and Tiffany Trent.