If you like Harry Potter
J. K. Rowling's much-loved epic tale of Harry Potter, an orphan who also happens to be a magician, starts with Harry Potter and the Sorcerer's Stone: Rescued from the outrageous neglect of his aunt and uncle, a young boy with a great destiny proves his worth while attending Hogwarts School for Wizards and Witches.
This first book in Rowling's series is followed by Harry Potter and the Chamber of Secrets, Harry Potter and the Prisoner of Azkaban, Harry Potter and the Goblet of Fire, Harry Potter and the Order of the Phoenix, Harry Potter and the Half-Blood Prince, and finally Harry Potter and the Deathly Hallows.
If you like the Harry Potter series, you may like these:
Howl's Moving Castle by Diana Wynne Jones
Eldest of three sisters in a land where it is considered to be a misfortune, Sophie is resigned to her fate as a hat shop apprentice until a witch turns her into an old woman and she finds herself in the castle of the greatly feared wizard Howl.
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, those she always believed were her father and brother, and a young guard known only as Boy 412--pursued by agents of those who killed her mother ten years earlier.
Sabriel by Garth Nix
Sabriel, daughter of the necromancer Abhorsen, must journey into the mysterious and magical Old Kingdom to rescue her father from the Land of the Dead.
Sorcery And Cecelia, Or, The Enchanted Chocolate Pot : Being The Correspondence Of Two Young Ladies Of Quality Regarding Various Magical Scandals In London And The Country by Patricia C. Wrede and Caroline Stevermer
In an alternative, 19th-century England touched by magic and evil wizards, two cousins' beguiling correspondence provides a delicious romp full of dastardly schemes, magical misadventures, and romantic encounters. Fans of Jane Austen will love the girls' fanciful exploits!
A Wizard of Earthsea by Ursula K. Le Guin
A boy grows to manhood while attempting to subdue the evil he unleashed on the world as an apprentice to the Master Wizard.