If you like Harry Potter . . .
Septimus Similon - Kathryn Cave
When Septimus Similon, practising wizard, fourth class, makes a major discovery, he gets more than he bargained for. He accidently mixes up two dimensions, now everyone thinks Alison is the evil enemy Zelda and is hunting her down, and puny Kevin is suddenly revered as The Ultimate Warrior.
The Steps Up the Chimney - William Corlett
William, Mary and Alice Constant arrive to spend Christmas with their uncle and little by little, they discover that things in this remote old house are not quite what they seem. There are powerful forces at work, calling to the children from across the centuries . . .
Minders - Diana Hendry
Scully is training to be a wizard, but how can he practise at school when he's been given a Minder to watch over him? However, Scully becomes very thankful that he has a minder when he finds himself at the centre of a perilous adventure in which the future of magic itself is at stake!
Secret of Platform 13 - Eva Ibbotson
Under Platform13 at Kings Cross Station there is a secret door that leads to a magical island...It appears only once every nine years. And when it opens, four mysterious figures step into the streets of London. A wizard, an ogre, a fey and a young hag have come to find the prince of their kingdom, stolen as a baby nine years before.
Worst Witch by Jill Murphy
Mildred Hubble is the worst witch at Miss Cackle's Academy for Witches - she's always getting her spells wrong. But she manages to get by until she turns Ethel, the teacher's pet, into her deadly enemy ...
Wee Free Men - Terry Pratchett
Nine year old Tiffany is in trouble she's armed only with a frying pan, her Grandma's dubious book of magic and, strangest of all, tiny blue men in kilts, the Wee Free men, who have come looking for a new hag.
Wizard in the Woods by Jean Ure
Ben-Mussy, a second-class junior wizard, bungles a spell during his Junior Wizard exams and ends up in Penny Woods where he meets Joel and Gemma and their adventures begin
Artemis Fowl - Eoin Colfer
Twelve-year-old Artemis Fowl, is the most ingenious criminal mastermind in history. His bold and daring plan is to hold a leprechaun to ransom. But he's taking on more than he bargained for when he kidnaps Captain Holly Short of the LEPrecon Unit.