Mamavaji's old and gets confused.' As his Grandpa gets ill and more confused, Xerxes' life becomes correspondingly difficult. There are boys at school playing all kinds of mean tricks on him and his mother wants him to excel, as usual-but it is hard when his main ally Grandpa is not himself. How is Xerxes going to cope with the different things people expect of him? Will he make peace in school? And most importantly, can he help Grandpa become better?