the fairies. This has also caused him to revert to his former self - the one cruel enough to kidnap a fairy. But he has a conscience that he chooses not to listen to. Artemis is rescued from the scene of the bio-bomb attack by Holly. She tells him who she is, in hopes to ignite his memory. He does not regain his memories of the past adventures but agrees to help her for a fee. They are then recaptured by Koboi and thrown into a troll-infested abandoned fairy theme park known as the "Eleven Wonders of the Human World" (containing scale-models not only of the Seven Wonders of the Ancient World but also the additions of Abu Simbel, Borobodur, Rapa Nui and the Throne Hall at Persepolis). After a desperate battle against the troll hordes on a model of the Temple of Artemis at Ephesus, they are rescued by former criminal Mulch Diggums and Butler. Holly and Artemis become friends "bonded by trauma" and Artemis says he feels that he doesn't need money to help a friend. Opal then proceeds with her plan to help renowned Italian billionaire environmentalist Giovanni Zito send a probe downward by mesmerising him that she is his pampered adopted daughter Belinda Zito, which, according to Koboi's plan, will cause the humans to find the fairies and start an inter-species war, leading to fairy genocide. The plan is to blow his fields with several megatons of TNT and then wait for the 118 million tons of iron, with a probe in it, to sink to the core at a rate of per second. After being rescued, Mulch gives Artemis the disk that had been passed off as a gold medallion, which Butler was given earlier in the book. Artemis views the disk and regains his memories. He is overcome with the guilt of what he had done to the fairies but to Holly the most and for the first time, he apologizes for kidnapping her. He realizes that Holly, Butler, and Mulch were the only friends he had. Together, the four friends take on Opal Koboi, knowing that they are the only ones that know she's escaped. It becomes a more difficult task with the LEP on their tail, who still thinks Holly is the one who killed the Commander. The new Commander refuses to believe anything, despite the fact that everyone knows Root was