Readers beware. The brilliant, breathtaking conclusion to J. K. Rowling’s spellbinding series is not for the faint of heart—such revelations, battles, and betrayals await in Harry Potter and the Deathly Hallows that no fan will make it to the end unscathed. Luckily, Rowling has prepped loyal readers for the end of her series by doling out increasingly dark and dangerous tales of magic and myste...