with it and the Doctor follows. In the other dimension, the Doctor appears before its world's ruler to ask for Benny's return. Unlike Fred, the ruler realises how dangerous the Doctor is, and attempts to destroy him. At that moment, Kadiatu appears, distracting Fred long enough for the Doctor to push the hitch-hiker into Benny's mind, forcing Fred out. The Yak Harris software remains in the alternative dimension achieve its full potential, and the Doctor, Benny and Kadiatu return to their reality moments before the gateway collapses. The Doctor visits the Stone Mountain computer archive and erases evidence of his existence, then sends Old Sam to the Ice Warrior nest, suggesting he offer the reviving warriors a gesture of peace. The surviving Floozies cut the TARDIS from the wall and the Doctor and Benny depart. Some months later, Kadiatu has a job at STS, gaining access to the resources she needs to build her time machine. Her work complete, she destroys her research and sets off through the time vortex to catch up with the Doctor. Notes The novel was controversial on its initial publication, being the first Doctor Who story in any medium to feature coarse language, drug use, and sex. This reflected the adult readership of the New Adventures, as well as the age of most Doctor Who fans at the time; prior to this, the novels had generally stayed within the same boundaries as the TV series. Aaronovitch noted that previous New Adventures had already alluded to characters having sexual relations and that all he did in this novel was put it "on screen". Complaints about swearing in latter New Adventures eventually resulted in the introduction of the substitute swear word "cruk", in the manner of television series such as Porridge and Red Dwarf. The novel is set in an inter-planetary transport network that evolved out of the London Underground. Trains teleport through tunnels in the space-time continuum between fixed points at faster-than-light speeds. King's Cross station is the terminus for a Central Line that connects human colonies throughout the solar system. As the story opens, the network is about to be extended to its first extra-solar location, in Arcturus (this is called the "Stunnel", in imitation of the "Chunnel"). The novel continues from The Seeds of Death, with the Transit network as an offshoot of the T-Mat system. Though no Ice Warriors are encountered, the Doctor