Chasing the Skandian slave-traders who kidnapped Will and Evanlyn, Ranger Halt and warrior student Horace find themselves in the frozen northern islands, where they battle a ruthless black-clad knight as they attempt to rescue their 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.

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.

On a mission to pay the ransom of a new ally, apprentice Will and his friends find themselves in a desert wasteland awash with enemies.

"When Maddie and Will get a message that dire wolves--huge misshapen changelings, much larger than regular wolves--have been marauding and attacking through the hills and valleys of Celtica, the Rangers are sent on a mission to unravel just who or what is behind these dangerous creatures. Will isn't anxious to return to Celtica, especially approaching the Rift. And as they travel, Maddie must grapple with their growing dealings with the spiritual...

In this prequel to the Ranger's Apprentice series, Halt and Crowley travel north seeking Prince Duncan's royal warrant to stop Morgrath from corrupting the Corps, but if they are to prevent a coup that is nearing success, the young Rangers will have to tread a dangerous path toward the annual tournament at Gorlan. Halt and Crowley, discovering that Morgarath has designs on the throne, must tread a dangerous path, one that leads them to the annual...

After Ranger's apprentice Will battles Temujai warriors to rescue Evanlyn, Will's kingdom of Skandia joins forces with rival kingdom Araluen to defeat a common enemy.