A gang of terrorists is planning an attack on the Tower of London. Or are they? British intelligence and the CIA combine forces. Follow secret agents Rob and Jenn as they race against time and across London. Can they seize the criminals and uncover their deadly plan before it is too late? Written specifically for struggling readers to explore genres, like mysteries and science fiction, these fast-paced books hold student interest until the last page. Questions at the end of each title promote cognitive development by making students think about vocabulary, comprehension, character, and plot.