Rikki-tikki-tavi 2: Rising Tides

Sequel to Rikki-tikki-tavi. Rikki comes across a new enemy named Nagasta. She plans to kill the people in the garden. Rikki once more has to save the garden from a new enemy. He tries to figure out what her motives are and why she wants to kill the people. What he finds will change everything! This sinister enemy is his worst nightmare. Can he save the garden this time?