If you like the Charlie Bone series, here are some more suggestions.
Readers of Charlie Bone are often fans of Harry Potter, so you can start with those if you haven't read them.
From our Juvenile collection:
The Lion the Witch and the Wardrobe (Narnia, book 2) by C. S. Lewis.
Four English school children enter the magic land of Narnia through the
back of a wardrobe and assist Aslan, the golden lion, in defeating the
White Witch who has cursed the land with eternal winter.