If You Liked The Ranger’s Apprentice  series by John Flanagan,

you might also like…

Revenge of the Witch   by Joseph Delaney 
Young Tom, the seventh son of a seventh son, starts work as an apprentice for the village spook, whose job is to protect ordinary folk from "ghouls, boggarts, and all manner of wicked beasties." (The Last Apprentice; Book 1)

The Lost Years of Merlin   by T. A. Barron
A young boy who has no identity nor memory of his past washes ashore on the coast of Wales and finds his true name after a series of fantastic adventures.

The Rover   by Mel Odom
The timid halfling Edgewick Lamplighter spends much of his time reading legends while working in the secret Vault of All Known Knowledge. When he’s sent to deliver a letter for his master, a gang of Boneblights attack him, but Wick’s quick thinking saves him—and impresses a bunch of pirates, who kidnap the hapless Wick. Tangles with thieves, a mystery surrounding stolen jewels and a showdown with a dragon await Wick, who must rely on all his accumulated knowledge to find his way back home.

The Thief    by Megan Whalen Turner
Gen’s skill at thievery and quick thinking lands him in the King’s prison. But when the King’s scholar the Magus needs to find a magical stone, he overlooks Gen’s rogue character in order to make use of his gift for stealing. After a long, painful journey through enemy lands, Gen proves himself as an accomplished thief, but is that really who he is? Followed by: The Queen of Attolia and The King of Attolia.

Magyk   by Angie Sage 
After learning that she is the Princess, Jenna is whisked from her home and carried toward safety by the Extraordinary Wizard, by those she always believed were her father and brother, and by a young guard known only as Boy 412 – while being pursued by those who killed her mother ten years earlier. (Septimus Heap; Book 1)

Redwall  by Brian Jacques
The mice of Redwall Abbey are under siege from the evil rat Cluny and his followers. Only the lost sword of Martin can save the abbey, and young Matthias sets out to discover it.

From the Two Rivers   by Robert Jordan 
The peaceful villagers of Emond's Field pay little heed to rumors of war in the western lands until a savage attack by troll-like minions of the Dark One forces three young men to set out on an adventure that will change their lives and place them in the middle of events they can neither control nor escape.  For grades 6 and up. (Part 1 of Book 1 of The Wheel of Time)