Elfangor's Secret (Animorphs, Megamorphs #3)
Eighteen-year-old Henry, a human-Controller, is a deadly Earth enemy now that he is stumbled on Elfangor's Time Matrix. Even worse, till lately Henry used to be greater often called Visser 4! He sees the Time Matrix as his large probability to win again his misplaced identify. The Animorphs were given the ability to pursue Henry via time, however the reward comes with an incredible price--the lifetime of one of many Animorphs!.