Everything you need to understand or teach A Darker Shade of Magic by V. E. Schwab.
A Darker Shade of Magic is the first book in V.E Schwab's Shades of Magic fantasy series. It tells the story of Kell, a magician who moves between alternate-dimension versions of London as a diplomat, passing messages among the different kingdoms' rulers. When he is tricked by the nefarious Dane twins into moving a dangerous forbidden talisman from one dimension to another, he enlists the help of a dauntless thief named Lila Bard to return the object to its rightful home. A Darker Shade of Magic examines themes concerning power and corruption, revenge and covetousness, and loyalty and family.