Unfortunately not. [ And she does mean the unfortunately. It'd make things much easier if just anyone could use magic, in the sense that it'd erase a great deal of ridiculous discrimination. ]

It's something witches and wizards are born with. [ She's lightly hugging the book to her chest, but she holds it out a second later, the title clearly visible. ] If you're curious, you're welcome to borrow this. It's very thorough.