Odysseus finally arrives to Ithaca while he is asleep. He wakes up and doesn't recognize his own home since its been obscured by Athena. Athena updates him on whats happening at home with all suiters.
Book 14
Telemachus reunites with his dad after not seeing him since he was a baby. Athena transforms him back into a begger and the only ones that know Odysseus' true identity is Athena and Telemachus.
Book 16
Odysseus still disguised as a begger, gets inside the palace and fights with another begger. After winning the fight, he warns people that bad things are coming.