*The Castle of Llyr* by Lloyd Alexander is the third book in *The Chronicles of Prydain*, a beloved fantasy series inspired by Welsh mythology. This installment follows Princess Eilonwy as she is sent away to the Isle of Mona to be trained in royal ways, leaving Taran, Assistant Pig-Keeper and growing hero, to wrestle with his feelings for her. But peace is short-lived when Eilonwy is kidnapped as part of a sinister plot involving ancient magic and a ruined castle. Taran and his loyal companions—Fflewddur Fflam, Gurgi, and the ever-faithful Hen Wen—must embark on a perilous quest to rescue her. Filled with humor, heart, and heroic growth, *The Castle of Llyr* deepens the emotional stakes of the series while exploring themes of identity, destiny, and friendship.
