I have not read wonder but if it is a true story then it is probably written in first person saying “I”. if it’s written about somebody else it can be second or third person saying “he” or “they”. Find two quotations with those pronouns and you’ve got your answer.
Mr. Tillian's candy and nut store.
The order would be:
Beowulf sets out on his journey for Daneland.
Hrothgar welcomes Beowulf.
Beowulf waits for Grendel to attack Heorot.
Beowulf succeeds in defeating Grendel by tearing off his arm.
Beowulf fights with Grendel’s mother.
Beowulf sets out for his fight with the dragon.
Beowulf sets out for his Geatish homeland.