"For years, the Kingdom of Araluen has prospered, with the evil lord Morgarath safely behind the impassable mountains. For years, its people have felt secure. But the scheming hand of the dark lord has not been idle. . . On a special mission for the rangers, Will and his friend Horace, an apprentice knight, travel to a neighboring village and discover the unsettling truth: all the villagers have either been slain or captured. Could it be that Morgarath...

Far from home after escaping slavery in Skandia, Will and Evanlyn's plans to return are spoiled when Evanlyn is taken captive. Will employs his ranger training to locate his friend, but soon finds himself fatally outnumbered - until Halt and Horace make a daring, last-minute rescue. But their reunion is cut short by the discovery that Skandia's borders have been breached by the Temujai army - and Araluen is next in their sights. Only an unlikely union...

Will, who has become a protector of his first fief after many years as a Ranger's apprentice, is faced with many challenges when Keren, a renegade knight, takes over Castle Macindaw and forges a secret alliance with Scotti.

Tennyson, the false prophet of the Outsider cult, has escaped and Halt is determined to stop him before he crosses the border into Araluen, but Genovesan assassins put Will and Halt's extraordinary archery skills to the test.

In a faraway land, a young warrior must protect an emperor from an uprising and train an inexperienced army, with assistance from his Ranger friends.

A tale that brings the Ranger's Apprentice series full circle finds an adult Will struggling with the loss of his wife and reluctantly mentoring the daughter of Horace and Evanlyn so she can assume leadership over the floundering Rangers.

"The mysterious Red Fox Clan, a group of anarchists all donning fox masks, have threatened Castle Araluen and question Princess Cassandra and Madelyn's succession to the throne. Will they succeed in unseating Cassandra and Madelyn and take the throne for themselves?"--

Charged by Araluen's King Duncan to covertly rescue the Prince of Gallica from a politically ambitious baron, Will Treaty and his apprentice Maddie take to the road disguised as father and daughter jongleurs.