Delta is the second book in the Mutangel series. What is this – a school for especially gifted mutants? A brilliant educational institution, after which all doors will open for students, or one big torture chamber? And Reese managed to get there! Moreover, under the guise of Dyushka, who died so stupidly... or kidnapped? And what is this strange, wonderful world in which Varya finds herself? What kind of thread is stretching from her palm? Where does it lead? Towards the end of Earth-11 or the beginning of a new, unknown world?