Gru, Lucy and their girls are back in a brand-new adventure in this fun novelisation of the action-packed Despicable Me 4.Gru, Lucy, Margo, Edith and Agnes welcome a new member to the family, Gru Jr., who's intent on tormenting his dad.However, their peaceful existence soon comes crashing down when criminal mastermind Maxime Le Mal escapes from prison and vows revenge against Gru.When the family is forced to go on the run, is there anything Gru can do to restore peace?